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| author | Ming Lei <ming.lei@canonical.com> | 2012-10-22 20:44:03 +0800 |
|---|---|---|
| committer | Joerg Roedel <joro@8bytes.org> | 2012-12-03 18:55:28 +0100 |
| commit | a0157573041403e7507a6f3f32279fc14ff5c02e (patch) | |
| tree | 7c16349b9247ed2bdd6dda7da90dd4daf4a659ca /arch | |
| parent | fd78a95ac662a18e94509b7314c327475cbeafb4 (diff) | |
| download | linux-stable-a0157573041403e7507a6f3f32279fc14ff5c02e.tar.gz linux-stable-a0157573041403e7507a6f3f32279fc14ff5c02e.tar.bz2 linux-stable-a0157573041403e7507a6f3f32279fc14ff5c02e.zip | |
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')
| -rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 1 |
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 23004847bb05..78d8e9b5544f 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; } |