Blackfin arch: export symbol get_dma_curr_desc_ptr for driver usage
Signed-off-by: Cliff Cai <cliff.cai@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
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90c7f468
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Signed-off-by: Cliff Cai <cliff.cai@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>