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Diffstat (limited to 'include/asm-arm/dma-mapping.h')
| -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); * properly. For example, if your device can only drive the low 24-bits * during bus mastering, then you would pass 0x00ffffff as the mask * to this function. + * + * FIXME: This should really be a platform specific issue - we should + * return false if GFP_DMA allocations may not satisfy the supplied 'mask'. */ static inline int dma_supported(struct device *dev, u64 mask) { |