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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>
This commit is contained in:
Sonic Zhang 2007-06-21 11:34:16 +08:00 committed by Bryan Wu
parent b9b7127657
commit 334280fff3
1 changed files with 2 additions and 0 deletions
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2
include/asm-blackfin/dma-mapping.h
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@ -15,6 +15,8 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
#define dma_mapping_error
/*
* Map a single buffer of the indicated size for DMA in streaming mode.
* The 32-bit bus address to use is returned.