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Commit c01dd8cf authored by Glauber Costa's avatar Glauber Costa Committed by Ingo Molnar
Browse files

x86: move dma_sync_single_for_cpu to common header 



i386 gets an empty function.

Signed-off-by: default avatarGlauber Costa <gcosta@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 72c784f8

arch/x86/kernel/pci-base_32.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

include/asm-x86/dma-mapping.h

+12 −0
Original line number Diff line number Diff line
@@ -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

include/asm-x86/dma-mapping_32.h

+0 −6
Original line number Diff line number Diff line
@@ -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)

include/asm-x86/dma-mapping_64.h

+0 −11
Original line number Diff line number Diff line
@@ -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)