From 9231b269e09ed60910c159cf668f887623b7ac58 Mon Sep 17 00:00:00 2001 From: Glauber Costa Date: Tue, 25 Mar 2008 18:36:26 -0300 Subject: [PATCH] x86: move dma_sync_single_for_device 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 | 11 +++++++++++ include/asm-x86/dma-mapping_32.h | 7 ------- include/asm-x86/dma-mapping_64.h | 11 ----------- 4 files changed, 12 insertions(+), 18 deletions(-) diff --git a/arch/x86/kernel/pci-base_32.c b/arch/x86/kernel/pci-base_32.c index dce03c81bb2..36488245e36 100644 --- a/arch/x86/kernel/pci-base_32.c +++ b/arch/x86/kernel/pci-base_32.c @@ -36,6 +36,7 @@ static const struct dma_mapping_ops pci32_dma_ops = { .map_sg = pci32_dma_map_sg, .unmap_sg = NULL, .sync_single_for_cpu = NULL, + .sync_single_for_device = 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 507069d231d..8ad582c2080 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -103,4 +103,15 @@ dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t dma_handle, flush_write_buffers(); } +static inline void +dma_sync_single_for_device(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_device) + dma_ops->sync_single_for_device(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 a05b2fc810b..b91771a6a0b 100644 --- a/include/asm-x86/dma-mapping_32.h +++ b/include/asm-x86/dma-mapping_32.h @@ -32,13 +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_device(struct device *dev, dma_addr_t dma_handle, size_t size, - enum dma_data_direction direction) -{ - flush_write_buffers(); -} - static inline void dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle, unsigned long offset, size_t size, diff --git a/include/asm-x86/dma-mapping_64.h b/include/asm-x86/dma-mapping_64.h index b055964d1a2..b539f61f3c7 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_device(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_device) - dma_ops->sync_single_for_device(hwdev, dma_handle, size, - direction); - flush_write_buffers(); -} - static inline void dma_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dma_handle, unsigned long offset, size_t size, int direction) -- 2.41.1