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linux
Blackfin arch: Add definition of dma_mapping_error
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
authored by Sonic Zhang and committed by Bryan Wu 334280ff b9b71276
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include/asm-blackfin/dma-mapping.h
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include/asm-blackfin/dma-mapping.h
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#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
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#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
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#define dma_mapping_error
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/*
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* Map a single buffer of the indicated size for DMA in streaming mode.
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* The 32-bit bus address to use is returned.