1 files changed, 0 insertions, 83 deletions
diff --git a/include/asm-blackfin/dma-mapping.h b/include/asm-blackfin/dma-mapping.h
deleted file mode 100644
index 1a13c2fc366..00000000000
--- a/include/asm-blackfin/dma-mapping.h
+++ /dev/null
@@ -1,83 +0,0 @@
-#ifndef _BLACKFIN_DMA_MAPPING_H
-#define _BLACKFIN_DMA_MAPPING_H
-
-#include <asm/scatterlist.h>
-
-void dma_alloc_init(unsigned long start, unsigned long end);
-void *dma_alloc_coherent(struct device *dev, size_t size,
-			 dma_addr_t *dma_handle, gfp_t gfp);
-void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
-		       dma_addr_t dma_handle);
-
-/*
- * Now for the API extensions over the pci_ one
- */
-#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
-#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
-
-#define dma_mapping_error
-
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory
- * until either pci_unmap_single or pci_dma_sync_single is performed.
- */
-extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
-				 enum dma_data_direction direction);
-
-static inline dma_addr_t
-dma_map_page(struct device *dev, struct page *page,
-	     unsigned long offset, size_t size,
-	     enum dma_data_direction dir)
-{
-	return dma_map_single(dev, page_address(page) + offset, size, dir);
-}
-
-/*
- * Unmap a single streaming mode DMA translation.  The dma_addr and size
- * must match what was provided for in a previous pci_map_single call.  All
- * other usages are undefined.
- *
- * After this call, reads by the cpu to the buffer are guarenteed to see
- * whatever the device wrote there.
- */
-extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
-			  enum dma_data_direction direction);
-
-static inline void
-dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size,
-	       enum dma_data_direction dir)
-{
-	dma_unmap_single(dev, dma_addr, size, dir);
-}
-
-/*
- * Map a set of buffers described by scatterlist in streaming
- * mode for DMA.  This is the scather-gather version of the
- * above pci_map_single interface.  Here the scatter gather list
- * elements are each tagged with the appropriate dma address
- * and length.  They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of
- *       DMA address/length pairs than there are SG table elements.
- *       (for example via virtual mapping capabilities)
- *       The routine returns the number of addr/length pairs actually
- *       used, at most nents.
- *
- * Device ownership issues as mentioned above for pci_map_single are
- * the same here.
- */
-extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
-		      enum dma_data_direction direction);
-
-/*
- * Unmap a set of streaming mode DMA translations.
- * Again, cpu read rules concerning calls here are the same as for
- * pci_unmap_single() above.
- */
-extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
-		      int nhwentries, enum dma_data_direction direction);
-
-#endif				/* _BLACKFIN_DMA_MAPPING_H */