[PATCH 1/9] ARM64: dma_debug: add debug_dma_mapping_error support
From: Shuah Khan <hidden>
Date: 2012-11-23 21:31:30
Also in:
linux-arm-kernel, linux-mips, linux-sh, lkml, sparclinux
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
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: Catalin Marinas <catalin.marinas@arm.com> --- 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