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c6x: dma_debug: add debug_dma_mapping_error support

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Add dma-debug interface debug_dma_mapping_error() to debug drivers that fail
to check dma mapping errors on addresses returned by dma_map_single() and
dma_map_page() interfaces.

Signed-off-by: Shuah Khan <shuah.khan@hp.com>
Acked-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
This commit is contained in:
Shuah Khan 2012-11-23 14:32:06 -07:00 committed by Joerg Roedel
parent bb7c4deb82
commit ad154880c0
1 changed files with 1 additions and 0 deletions
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arch/c6x/include/asm/dma-mapping.h
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@ -32,6 +32,7 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask)
*/
static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
debug_dma_mapping_error(dev, dma_addr);
return dma_addr == ~0;
}