diff options
| author | Len Brown <len.brown@intel.com> | 2010-08-15 01:06:31 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2010-08-15 01:06:31 -0400 |
| commit | 95ee46aa8698f2000647dfb362400fadbb5807cf (patch) | |
| tree | e5a05c7297f997e191c73091934e42e3195c0e40 /include/linux/dma-mapping.h | |
| parent | cfa806f059801dbe7e435745eb2e187c8bfe1e7f (diff) | |
| parent | 92fa5bd9a946b6e7aab6764e7312e4e3d9bed295 (diff) | |
Merge branch 'linus' into release
Conflicts:
drivers/acpi/debug.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/linux/dma-mapping.h')
| -rw-r--r-- | include/linux/dma-mapping.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 89b7e1a605b..ce29b815119 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -142,6 +142,16 @@ 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 |