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authorTakashi Iwai <tiwai@suse.de>2010-10-11 13:45:22 +0200
committerTakashi Iwai <tiwai@suse.de>2010-10-11 13:45:22 +0200
commit4e83998f5af010a928495988c586ea2926624db9 (patch)
treee72d346172a30bbee165d7f585784724906da416 /include/linux/dma-mapping.h
parentdd1d3a49db4ae5c6afffadaff526b96c7993c7dd (diff)
parentd4cfa4d12f46e2520f4c1d1a92e891ce068b7464 (diff)
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Merge branch 'fix/misc' into topic/misc
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);