2012-11-23 21:31:30

by Shuah Khan

[permalink] [raw]
Subject: [PATCH 1/9] ARM64: 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: Catalin Marinas <[email protected]>
---
arch/arm64/include/asm/dma-mapping.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h
index 538f4b4..9947768 100644
--- a/arch/arm64/include/asm/dma-mapping.h
+++ b/arch/arm64/include/asm/dma-mapping.h
@@ -50,6 +50,7 @@ static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr)
static inline int dma_mapping_error(struct device *dev, dma_addr_t dev_addr)
{
struct dma_map_ops *ops = get_dma_ops(dev);
+ debug_dma_mapping_error(dev, dev_addr);
return ops->mapping_error(dev, dev_addr);
}

--
1.7.9.5