[PATCH 8/9] sparc: dma_debug: add debug_dma_mapping_error support
DORMANTno replies
REVIEWED: 1 (1M)
From: Shuah Khan <hidden>
Date: 2012-11-23 21:37:29
Also in:
linux-arm-kernel, linux-mips, linux-sh, lkml, sparclinux
Subsystem:
sparc + ultrasparc (sparc/sparc64), the rest · Maintainers:
"David S. Miller", Andreas Larsson, Linus Torvalds
Status: Reviewed.
1 review trailer (1 from subsystem maintainers).
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 <redacted> Acked-by: David S. Miller <davem@davemloft.net> --- arch/sparc/include/asm/dma-mapping.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h
index 8493fd3..05fe53f 100644
--- a/arch/sparc/include/asm/dma-mapping.h
+++ b/arch/sparc/include/asm/dma-mapping.h@@ -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); }
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1.7.9.5