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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-12-09 09:14:38 +0300 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-12-09 09:14:38 +0300 |
| commit | bcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71 (patch) | |
| tree | 2f6dffd2d3e4dd67355a224de7e7a960335a92fd /arch/x86/include/asm/dma-mapping.h | |
| parent | 11c34c7deaeeebcee342cbc35e1bb2a6711b2431 (diff) | |
| parent | 3ff6a468b45b5dfeb0e903e56f4eb27d34b2437c (diff) | |
| download | linux-bcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71.tar.xz | |
Merge commit 'origin/master' into next
Conflicts:
include/linux/kvm.h
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) |