diff options
| -rw-r--r-- | include/asm-arm/dma-mapping.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-arm/dma-mapping.h b/include/asm-arm/dma-mapping.h index 925d016dd4b5..d62ade4e4cbb 100644 --- a/include/asm-arm/dma-mapping.h +++ b/include/asm-arm/dma-mapping.h | |||
| @@ -21,6 +21,9 @@ extern void consistent_sync(void *kaddr, size_t size, int rw); | |||
| 21 | * properly. For example, if your device can only drive the low 24-bits | 21 | * properly. For example, if your device can only drive the low 24-bits |
| 22 | * during bus mastering, then you would pass 0x00ffffff as the mask | 22 | * during bus mastering, then you would pass 0x00ffffff as the mask |
| 23 | * to this function. | 23 | * to this function. |
| 24 | * | ||
| 25 | * FIXME: This should really be a platform specific issue - we should | ||
| 26 | * return false if GFP_DMA allocations may not satisfy the supplied 'mask'. | ||
| 24 | */ | 27 | */ |
| 25 | static inline int dma_supported(struct device *dev, u64 mask) | 28 | static inline int dma_supported(struct device *dev, u64 mask) |
| 26 | { | 29 | { |