X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-blackfin%2Fdma-mapping.h;h=1a13c2fc3667326a78b7267cf27fb71de75922f5;hb=d36e311070ee3a378a54142a168ff5cfedba33d5;hp=7a77d7fe3a33b99ba90854005c69690a5aa38983;hpb=6ec129c3a2f8b38bc37e42348470ccfcb7460146;p=linux-2.6

diff --git a/include/asm-blackfin/dma-mapping.h b/include/asm-blackfin/dma-mapping.h
index 7a77d7fe3a..1a13c2fc36 100644
--- a/include/asm-blackfin/dma-mapping.h
+++ b/include/asm-blackfin/dma-mapping.h
@@ -15,6 +15,8 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
 #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.
@@ -25,6 +27,14 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
 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
@@ -36,6 +46,13 @@ extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
 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