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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-06 17:00:33 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-06 17:00:33 +0000 |
| commit | 3d14b5beba35250c548d3851a2b84fce742d8311 (patch) | |
| tree | 065e3d93c3fcbc5ee4c44fa78662393cddbdf6de /arch/x86/include/asm/dma-mapping.h | |
| parent | 0719dc341389882cc834ed18fc9b7fc6006b2b85 (diff) | |
| parent | 1bf8e6219552d5dd27012d567ec8c4bb9c2d86b4 (diff) | |
Merge branch 'sa1100' into devel
Diffstat (limited to 'arch/x86/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/x86/include/asm/dma-mapping.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h index 6a25d5d42836..0f6c02f3b7d4 100644 --- a/arch/x86/include/asm/dma-mapping.h +++ b/arch/x86/include/asm/dma-mapping.h @@ -20,7 +20,8 @@ # define ISA_DMA_BIT_MASK DMA_BIT_MASK(32) #endif -extern dma_addr_t bad_dma_address; +#define DMA_ERROR_CODE 0 + extern int iommu_merge; extern struct device x86_dma_fallback_dev; extern int panic_on_overflow; @@ -48,7 +49,7 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) if (ops->mapping_error) return ops->mapping_error(dev, dma_addr); - return (dma_addr == bad_dma_address); + return (dma_addr == DMA_ERROR_CODE); } #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) |