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sparc: dma-mapping: support debug_dma_mapping_error

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Add support for debug_dma_mapping_error() call to avoid warning from
debug_dma_unmap() interface when it checks for mapping error checked
status. Without this patch, device driver failed to check map error
warning is generated.

Signed-off-by: Shuah Khan <shuah.khan@hp.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
This commit is contained in:
Shuah Khan 2012-10-25 18:31:42 -06:00 committed by Joerg Roedel
parent bfe0fb0f1a
commit 5d346d1033
1 changed files with 1 additions and 0 deletions
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arch/sparc/include/asm/dma-mapping.h
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@ -59,6 +59,7 @@ static inline void dma_free_attrs(struct device *dev, size_t size,
static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
debug_dma_mapping_error(dev, dma_addr);
return (dma_addr == DMA_ERROR_CODE);
}