Commit 871ae57a authored by Ming Lei's avatar Ming Lei Committed by Marek Szyprowski
Browse files

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 <>
Cc: Marek Szyprowski <>
Signed-off-by: default avatarMing Lei <>
Signed-off-by: default avatarMarek Szyprowski <>
parent a1f10213
......@@ -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;
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