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| author |   Russell King <rmk+kernel@arm.linux.org.uk> | 2009-10-31 16:10:10 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-11-23 12:53:55 +0000 |
| commit | 29cb8d0d249f6b8fa33683cc17622ff16ada834c (patch) | |
| tree | af145bb4d549793fc96aa2db63b32d4c9905ab9c /arch/arm/include | |
| parent | ARM: dma-mapping: provide dma_to_page() (diff) | |
| download | linux-dev-29cb8d0d249f6b8fa33683cc17622ff16ada834c.tar.xz linux-dev-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.h | 8 |
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 |