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| author | Grant Likely <grant.likely@secretlab.ca> | 2010-12-29 22:20:30 -0700 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-12-29 22:21:47 -0700 |
| commit | d392da5207352f09030e95d9ea335a4225667ec0 (patch) | |
| tree | 7d6cd1932afcad0a5619a5c504a6d93ca318187c /include/linux/dma-mapping.h | |
| parent | e39d5ef678045d61812c1401f04fe8edb14d6359 (diff) | |
| parent | 387c31c7e5c9805b0aef8833d1731a5fe7bdea14 (diff) | |
Merge v2.6.37-rc8 into powerpc/next
Diffstat (limited to 'include/linux/dma-mapping.h')
| -rw-r--r-- | include/linux/dma-mapping.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 89b7e1a605b8..ba8319ae5fcc 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -102,6 +102,9 @@ static inline u64 dma_get_mask(struct device *dev) return DMA_BIT_MASK(32); } +#ifdef ARCH_HAS_DMA_SET_COHERENT_MASK +int dma_set_coherent_mask(struct device *dev, u64 mask); +#else static inline int dma_set_coherent_mask(struct device *dev, u64 mask) { if (!dma_supported(dev, mask)) @@ -109,6 +112,7 @@ static inline int dma_set_coherent_mask(struct device *dev, u64 mask) dev->coherent_dma_mask = mask; return 0; } +#endif extern u64 dma_get_required_mask(struct device *dev); @@ -142,6 +146,16 @@ static inline int dma_set_seg_boundary(struct device *dev, unsigned long mask) return -EIO; } +#ifdef CONFIG_HAS_DMA +static inline int dma_get_cache_alignment(void) +{ +#ifdef ARCH_DMA_MINALIGN + return ARCH_DMA_MINALIGN; +#endif + return 1; +} +#endif + /* flags for the coherent memory api */ #define DMA_MEMORY_MAP 0x01 #define DMA_MEMORY_IO 0x02 |