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authorGlauber Costa <gcosta@redhat.com>2008-03-25 18:36:24 -0300
committerIngo Molnar <mingo@elte.hu>2008-04-19 19:19:56 +0200
commit72c784f82c378df1903676acd2efc5eeb5cac579 (patch)
tree38ff9764a7983ed49859db903e7fb9be25cdaca2 /include/asm-x86/dma-mapping.h
parent16a3ce9bae667178f79a4951fc0ba8b515b5b733 (diff)
x86: move dma_unmap_sg to common header
i386 gets an empty function. Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/dma-mapping.h')
-rw-r--r--include/asm-x86/dma-mapping.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index 09011546a48..6e7747a23e5 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -82,4 +82,13 @@ dma_map_sg(struct device *hwdev, struct scatterlist *sg,
BUG_ON(!valid_dma_direction(direction));
return dma_ops->map_sg(hwdev, sg, nents, direction);
}
+
+static inline void
+dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
+ int direction)
+{
+ BUG_ON(!valid_dma_direction(direction));
+ if (dma_ops->unmap_sg)
+ dma_ops->unmap_sg(hwdev, sg, nents, direction);
+}
#endif