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c6x: dma_debug: add debug_dma_mapping_error support

PATCH In review Shuah Khan 1 participant 1 message Nov 23, 2012

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Shuah Khan

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PATCH 2/9 c6x: dma_debug: add debug_dma_mapping_error support

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 <[email protected]>
Acked-by Mark Salter <[email protected]>
---
 arch/c6x/include/asm/dma-mapping.h |    1 +
 1 file changed, 1 insertion(+)
arch/c6x/include/asm/dma-mapping.h +1 -0
index 03579fd..3c69406 100644
@@ -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;
 }
Signature · 1 line
1.7.9.5