[PATCH 2/9] c6x: dma_debug: add debug_dma_mapping_error support

From: Shuah Khan
Date: Fri Nov 23 2012 - 16:32:00 EST


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@xxxxxx>
Acked-by: Mark Salter <msalter@xxxxxxxxxx>
---
arch/c6x/include/asm/dma-mapping.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/c6x/include/asm/dma-mapping.h b/arch/c6x/include/asm/dma-mapping.h
index 03579fd..3c69406 100644
--- a/arch/c6x/include/asm/dma-mapping.h
+++ b/arch/c6x/include/asm/dma-mapping.h
@@ -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;
}

--
1.7.9.5





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