From 29cb8d0d249f6b8fa33683cc17622ff16ada834c Mon Sep 17 00:00:00 2001 From: Russell King Date: Sat, 31 Oct 2009 16:10:10 +0000 Subject: 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 Tested-By: Jamie Iles --- arch/arm/include/asm/dma-mapping.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'arch/arm/include/asm') diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index f06d80c2274..a96300bf83f 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 -- cgit v1.2.3