From 0cb0ae68323657663e4e8c0c1ce82a5af6621bbb Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Tue, 25 Mar 2008 18:36:22 -0300 Subject: [PATCH] x86: move dma_unmap_single to common header i386 base does not need it, so it gets an empty function. Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/kernel/pci-base_32.c | 1 + include/asm-x86/dma-mapping.h | 10 ++++++++++ include/asm-x86/dma-mapping_32.h | 7 ------- include/asm-x86/dma-mapping_64.h | 8 -------- 4 files changed, 11 insertions(+), 15 deletions(-) diff --git a/arch/x86/kernel/pci-base_32.c b/arch/x86/kernel/pci-base_32.c index b613d735f76c..a8a7c7f2d23f 100644 --- a/arch/x86/kernel/pci-base_32.c +++ b/arch/x86/kernel/pci-base_32.c @@ -14,6 +14,7 @@ static dma_addr_t pci32_map_single(struct device *dev, void *ptr, static const struct dma_mapping_ops pci32_dma_ops = { .map_single = pci32_map_single, + .unmap_single = NULL, }; const struct dma_mapping_ops *dma_ops = &pci32_dma_ops; diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h index d320244db8af..bb0378f2b933 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -66,4 +66,14 @@ dma_map_single(struct device *hwdev, void *ptr, size_t size, return dma_ops->map_single(hwdev, ptr, size, direction); } +static inline void +dma_unmap_single(struct device *dev, dma_addr_t addr, size_t size, + int direction) +{ + BUG_ON(!valid_dma_direction(direction)); + if (dma_ops->unmap_single) + dma_ops->unmap_single(dev, addr, size, direction); +} + + #endif diff --git a/include/asm-x86/dma-mapping_32.h b/include/asm-x86/dma-mapping_32.h index b496306d5e98..0b27cb0dbb75 100644 --- a/include/asm-x86/dma-mapping_32.h +++ b/include/asm-x86/dma-mapping_32.h @@ -17,13 +17,6 @@ void *dma_alloc_coherent(struct device *dev, size_t size, void dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle); -static inline void -dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, - enum dma_data_direction direction) -{ - BUG_ON(!valid_dma_direction(direction)); -} - static inline int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents, enum dma_data_direction direction) diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h index 969a7da0cf97..5d349db23c99 100644 --- a/include/asm-x86/dma-mapping_64.h +++ b/include/asm-x86/dma-mapping_64.h @@ -23,14 +23,6 @@ extern void *dma_alloc_coherent(struct device *dev, size_t size, extern void dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle); -static inline void -dma_unmap_single(struct device *dev, dma_addr_t addr,size_t size, - int direction) -{ - BUG_ON(!valid_dma_direction(direction)); - dma_ops->unmap_single(dev, addr, size, direction); -} - #define dma_map_page(dev,page,offset,size,dir) \ dma_map_single((dev), page_address(page)+(offset), (size), (dir)) -- 2.20.1