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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-10-04 22:23:26 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-10-04 22:23:30 +0100
commita9fda02bfc91a281cd812ae15dabe6bfb9574f90 (patch)
treed7be703f341870f15f87a59a63976f650078b4d6 /include/linux/dma-mapping.h
parentaa3090005d27f3c7fba915ccea36b97b669fa3ab (diff)
parentec706dab290c486837d4a825870ab052bf200279 (diff)
Merge branch 'for_rmk' of git://git.linaro.org/kernel/linux-linaro-next into devel-stable
Diffstat (limited to 'include/linux/dma-mapping.h')
-rw-r--r--include/linux/dma-mapping.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index ce29b8151198..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);