From c01dd8cf7d19b869af1668c80a34a955c871f607 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Tue, 25 Mar 2008 18:36:25 -0300 Subject: [PATCH] x86: move dma_sync_single_for_cpu to common header i386 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 | 12 ++++++++++++ include/asm-x86/dma-mapping_32.h | 6 ------ include/asm-x86/dma-mapping_64.h | 11 ----------- 4 files changed, 13 insertions(+), 17 deletions(-) diff --git a/arch/x86/kernel/pci-base_32.c b/arch/x86/kernel/pci-base_32.c index 920530438d..dce03c81bb 100644 --- a/arch/x86/kernel/pci-base_32.c +++ b/arch/x86/kernel/pci-base_32.c @@ -35,6 +35,7 @@ static const struct dma_mapping_ops pci32_dma_ops = { .unmap_single = NULL, .map_sg = pci32_dma_map_sg, .unmap_sg = NULL, + .sync_single_for_cpu = 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 6e7747a23e..507069d231 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -91,4 +91,16 @@ dma_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents, if (dma_ops->unmap_sg) dma_ops->unmap_sg(hwdev, sg, nents, direction); } + +static inline void +dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t dma_handle, + size_t size, int direction) +{ + BUG_ON(!valid_dma_direction(direction)); + if (dma_ops->sync_single_for_cpu) + dma_ops->sync_single_for_cpu(hwdev, dma_handle, size, + direction); + flush_write_buffers(); +} + #endif diff --git a/include/asm-x86/dma-mapping_32.h b/include/asm-x86/dma-mapping_32.h index 55445e3e2d..a05b2fc810 100644 --- a/include/asm-x86/dma-mapping_32.h +++ b/include/asm-x86/dma-mapping_32.h @@ -32,12 +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_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, - enum dma_data_direction direction) -{ -} - static inline void dma_sync_single_for_device(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 ce37efb847..b055964d1a 100644 --- a/include/asm-x86/dma-mapping_64.h +++ b/include/asm-x86/dma-mapping_64.h @@ -28,17 +28,6 @@ extern void dma_free_coherent(struct device *dev, size_t size, void *vaddr, #define dma_unmap_page dma_unmap_single -static inline void -dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t dma_handle, - size_t size, int direction) -{ - BUG_ON(!valid_dma_direction(direction)); - if (dma_ops->sync_single_for_cpu) - dma_ops->sync_single_for_cpu(hwdev, dma_handle, size, - direction); - flush_write_buffers(); -} - static inline void dma_sync_single_for_device(struct device *hwdev, dma_addr_t dma_handle, size_t size, int direction) -- 2.39.5