1 files changed, 0 insertions, 138 deletions
diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h
deleted file mode 100644
index a416dc31634..00000000000
--- a/include/asm-x86_64/dma-mapping.h
+++ /dev/null
@@ -1,138 +0,0 @@
-#ifndef _X8664_DMA_MAPPING_H
-#define _X8664_DMA_MAPPING_H 1
-
-/*
- * IOMMU interface. See Documentation/DMA-mapping.txt and DMA-API.txt for
- * documentation.
- */
-
-#include <linux/config.h>
-
-#include <asm/scatterlist.h>
-#include <asm/io.h>
-#include <asm/swiotlb.h>
-
-extern dma_addr_t bad_dma_address;
-#define dma_mapping_error(x) \
-	(swiotlb ? swiotlb_dma_mapping_error(x) : ((x) == bad_dma_address))
-
-void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
-			 unsigned gfp);
-void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
-			 dma_addr_t dma_handle);
-
-#ifdef CONFIG_GART_IOMMU
-
-extern dma_addr_t dma_map_single(struct device *hwdev, void *ptr, size_t size,
-				 int direction);
-extern void dma_unmap_single(struct device *dev, dma_addr_t addr,size_t size,
-			     int direction);
-
-#else
-
-/* No IOMMU */
-
-static inline dma_addr_t dma_map_single(struct device *hwdev, void *ptr,
-					size_t size, int direction)
-{
-	dma_addr_t addr;
-
-	if (direction == DMA_NONE)
-		out_of_line_bug();
-	addr = virt_to_bus(ptr);
-
-	if ((addr+size) & ~*hwdev->dma_mask)
-		out_of_line_bug();
-	return addr;
-}
-
-static inline void dma_unmap_single(struct device *hwdev, dma_addr_t dma_addr,
-				    size_t size, int direction)
-{
-	if (direction == DMA_NONE)
-		out_of_line_bug();
-	/* Nothing to do */
-}
-
-#endif
-
-#define dma_map_page(dev,page,offset,size,dir) \
-	dma_map_single((dev), page_address(page)+(offset), (size), (dir))
-
-static inline void dma_sync_single_for_cpu(struct device *hwdev,
-					       dma_addr_t dma_handle,
-					       size_t size, int direction)
-{
-	if (direction == DMA_NONE)
-		out_of_line_bug();
-
-	if (swiotlb)
-		return swiotlb_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)
-{
-        if (direction == DMA_NONE)
-		out_of_line_bug();
-
-	if (swiotlb)
-		return swiotlb_sync_single_for_device(hwdev,dma_handle,size,direction);
-
-	flush_write_buffers();
-}
-
-static inline void dma_sync_sg_for_cpu(struct device *hwdev,
-				       struct scatterlist *sg,
-				       int nelems, int direction)
-{
-	if (direction == DMA_NONE)
-		out_of_line_bug();
-
-	if (swiotlb)
-		return swiotlb_sync_sg_for_cpu(hwdev,sg,nelems,direction);
-
-	flush_write_buffers();
-}
-
-static inline void dma_sync_sg_for_device(struct device *hwdev,
-					  struct scatterlist *sg,
-					  int nelems, int direction)
-{
-	if (direction == DMA_NONE)
-		out_of_line_bug();
-
-	if (swiotlb)
-		return swiotlb_sync_sg_for_device(hwdev,sg,nelems,direction);
-
-	flush_write_buffers();
-}
-
-extern int dma_map_sg(struct device *hwdev, struct scatterlist *sg,
-		      int nents, int direction);
-extern void dma_unmap_sg(struct device *hwdev, struct scatterlist *sg,
-			 int nents, int direction);
-
-#define dma_unmap_page dma_unmap_single
-
-extern int dma_supported(struct device *hwdev, u64 mask);
-extern int dma_get_cache_alignment(void);
-#define dma_is_consistent(h) 1
-
-static inline int dma_set_mask(struct device *dev, u64 mask)
-{
-	if (!dev->dma_mask || !dma_supported(dev, mask))
-		return -EIO;
-	*dev->dma_mask = mask;
-	return 0;
-}
-
-static inline void dma_cache_sync(void *vaddr, size_t size, enum dma_data_direction dir)
-{
-	flush_write_buffers();
-}
-
-#endif