path: root/arch
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authorMing Lei <ming.lei@canonical.com>2012-10-22 20:44:03 +0800
committerJoerg Roedel <joro@8bytes.org>2012-12-03 18:55:28 +0100
commita0157573041403e7507a6f3f32279fc14ff5c02e (patch)
tree7c16349b9247ed2bdd6dda7da90dd4daf4a659ca /arch
parentfd78a95ac662a18e94509b7314c327475cbeafb4 (diff)
ARM: dma-mapping: support debug_dma_mapping_error
Without the patch, kind of below warning will be dumped if DMA-API debug is enabled: [ 11.069763] ------------[ cut here ]------------ [ 11.074645] WARNING: at lib/dma-debug.c:948 check_unmap+0x770/0x860() [ 11.081420] ehci-omap ehci-omap.0: DMA-API: device driver failed to check map error[device address=0x0000000 0adb78e80] [size=8 bytes] [mapped as single] [ 11.095611] Modules linked in: Cc: Russell King <linux@arm.linux.org.uk> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Joerg Roedel <joro@8bytes.org>
Diffstat (limited to 'arch')
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 23004847bb0..78d8e9b5544 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -91,6 +91,7 @@ static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
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;