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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-10-31 17:10:10 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-11-23 13:53:55 +0100
commit29cb8d0d249f6b8fa33683cc17622ff16ada834c (patch)
treeaf145bb4d549793fc96aa2db63b32d4c9905ab9c /arch/arm/include
parentARM: dma-mapping: provide dma_to_page() (diff)
downloadlinux-29cb8d0d249f6b8fa33683cc17622ff16ada834c.tar.xz
linux-29cb8d0d249f6b8fa33683cc17622ff16ada834c.zip
ARM: dma-mapping: split dma_unmap_page() from dma_unmap_single()
We will need to treat dma_unmap_page() differently from dma_unmap_single() Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Tested-By: Jamie Iles <jamie@jamieiles.com>
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/asm/dma-mapping.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index f06d80c22748..a96300bf83fd 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -257,9 +257,11 @@ extern int dma_needs_bounce(struct device*, dma_addr_t, size_t);
*/
extern dma_addr_t dma_map_single(struct device *, void *, size_t,
enum dma_data_direction);
+extern void dma_unmap_single(struct device *, dma_addr_t, size_t,
+ enum dma_data_direction);
extern dma_addr_t dma_map_page(struct device *, struct page *,
unsigned long, size_t, enum dma_data_direction);
-extern void dma_unmap_single(struct device *, dma_addr_t, size_t,
+extern void dma_unmap_page(struct device *, dma_addr_t, size_t,
enum dma_data_direction);
/*
@@ -352,7 +354,6 @@ static inline void dma_unmap_single(struct device *dev, dma_addr_t handle,
{
/* nothing to do */
}
-#endif /* CONFIG_DMABOUNCE */
/**
* dma_unmap_page - unmap a buffer previously mapped through dma_map_page()
@@ -371,8 +372,9 @@ static inline void dma_unmap_single(struct device *dev, dma_addr_t handle,
static inline void dma_unmap_page(struct device *dev, dma_addr_t handle,
size_t size, enum dma_data_direction dir)
{
- dma_unmap_single(dev, handle, size, dir);
+ /* nothing to do */
}
+#endif /* CONFIG_DMABOUNCE */
/**
* dma_sync_single_range_for_cpu