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authorMing Lei <ming.lei@canonical.com>2012-10-22 20:44:03 +0800
committerMarek Szyprowski <m.szyprowski@samsung.com>2012-10-23 14:05:34 +0200
commit871ae57adc5ed092c1341f411514d0e8482e2611 (patch)
treeab6152d0285197587c5d327b512c11606e073ec6 /arch/arm
parenta1f102136538553a9488c713a336065ebb567542 (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: Marek Szyprowski <m.szyprowski@samsung.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/include/asm/dma-mapping.h1
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;
}