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authorChris Metcalf <cmetcalf@tilera.com>2010-08-13 19:59:15 -0400
committerChris Metcalf <cmetcalf@tilera.com>2010-08-13 19:59:15 -0400
commit7d72e6fa56c4100b9669efe0044f77ed9eb785a1 (patch)
tree5e90bf4969809a1ab20b97432b85be20ccfaa1f4 /include/linux/dma-mapping.h
parentba00376b0b13f234d839541a7b36a5bf5c2a4036 (diff)
parent2be1f3a73dd02e38e181cf5abacb3d45a6a2d6b8 (diff)
Merge branch 'master' into for-linus
Diffstat (limited to 'include/linux/dma-mapping.h')
-rw-r--r--include/linux/dma-mapping.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 89b7e1a605b..e0670a51205 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -142,6 +142,14 @@ static inline int dma_set_seg_boundary(struct device *dev, unsigned long mask)
return -EIO;
}
+static inline int dma_get_cache_alignment(void)
+{
+#ifdef ARCH_DMA_MINALIGN
+ return ARCH_DMA_MINALIGN;
+#endif
+ return 1;
+}
+
/* flags for the coherent memory api */
#define DMA_MEMORY_MAP 0x01
#define DMA_MEMORY_IO 0x02