diff options
| author | Glauber Costa <gcosta@redhat.com> | 2008-03-25 18:36:24 -0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-19 19:19:56 +0200 |
| commit | 72c784f82c378df1903676acd2efc5eeb5cac579 (patch) | |
| tree | 38ff9764a7983ed49859db903e7fb9be25cdaca2 | |
| parent | 16a3ce9bae667178f79a4951fc0ba8b515b5b733 (diff) | |
x86: move dma_unmap_sg 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>
| -rw-r--r-- | arch/x86/kernel/pci-base_32.c | 1 | ||||
| -rw-r--r-- | include/asm-x86/dma-mapping.h | 9 | ||||
| -rw-r--r-- | include/asm-x86/dma-mapping_32.h | 8 | ||||
| -rw-r--r-- | include/asm-x86/dma-mapping_64.h | 8 |
4 files changed, 10 insertions, 16 deletions
diff --git a/arch/x86/kernel/pci-base_32.c b/arch/x86/kernel/pci-base_32.c index 24741525901..920530438d8 100644 --- a/arch/x86/kernel/pci-base_32.c +++ b/arch/x86/kernel/pci-base_32.c @@ -34,6 +34,7 @@ static const struct dma_mapping_ops pci32_dma_ops = { .map_single = pci32_map_single, .unmap_single = NULL, .map_sg = pci32_dma_map_sg, + .unmap_sg = 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 09011546a48..6e7747a23e5 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -82,4 +82,13 @@ dma_map_sg(struct device *hwdev, struct scatterlist *sg, BUG_ON(!valid_dma_direction(direction)); return dma_ops->map_sg(hwdev, sg, nents, direction); } + +static inline void +dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents, + int direction) +{ + BUG_ON(!valid_dma_direction(direction)); + if (dma_ops->unmap_sg) + dma_ops->unmap_sg(hwdev, sg, nents, direction); +} #endif diff --git a/include/asm-x86/dma-mapping_32.h b/include/asm-x86/dma-mapping_32.h index cdcdeff1e59..55445e3e2d6 100644 --- a/include/asm-x86/dma-mapping_32.h +++ b/include/asm-x86/dma-mapping_32.h @@ -32,14 +32,6 @@ dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, BUG_ON(!valid_dma_direction(direction)); } - -static inline void -dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, - enum dma_data_direction direction) -{ - BUG_ON(!valid_dma_direction(direction)); -} - static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction) diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h index b27527ab770..ce37efb847b 100644 --- a/include/asm-x86/dma-mapping_64.h +++ b/include/asm-x86/dma-mapping_64.h @@ -96,14 +96,6 @@ dma_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg, flush_write_buffers(); } -static inline void -dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents, - int direction) -{ - BUG_ON(!valid_dma_direction(direction)); - dma_ops->unmap_sg(hwdev, sg, nents, direction); -} - extern int dma_supported(struct device *hwdev, u64 mask); /* same for gart, swiotlb, and nommu */ |