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authorGlauber Costa <gcosta@redhat.com>2008-03-25 21:36:25 (GMT)
committerIngo Molnar <mingo@elte.hu>2008-04-19 17:19:56 (GMT)
commitc01dd8cf7d19b869af1668c80a34a955c871f607 (patch)
tree19c2dcb7fddc96368692be8858ea80dfe20310b8 /include/asm-x86/dma-mapping.h
parent72c784f82c378df1903676acd2efc5eeb5cac579 (diff)
downloadlinux-c01dd8cf7d19b869af1668c80a34a955c871f607.tar.xz
x86: move dma_sync_single_for_cpu 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.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index 6e7747a..507069d 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -91,4 +91,16 @@ dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
if (dma_ops->unmap_sg)
dma_ops->unmap_sg(hwdev, sg, nents, direction);
}
+
+static inline void
+dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t dma_handle,
+ size_t size, int direction)
+{
+ BUG_ON(!valid_dma_direction(direction));
+ if (dma_ops->sync_single_for_cpu)
+ dma_ops->sync_single_for_cpu(hwdev, dma_handle, size,
+ direction);
+ flush_write_buffers();
+}
+
#endif