X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-arm%2Fdma-mapping.h;h=c8b5d0db0cf08d8580efdffed8227dbf83f0624f;hb=7616ee95f27a04fd5a6434e9ef4a82cec4b2807c;hp=666617711c81d259745ba2b0dc12d935c4d4fb0a;hpb=bd3c97a7c718bfb9f1e4f31c16c383a5c6f815eb;p=linux-2.6

diff --git a/include/asm-arm/dma-mapping.h b/include/asm-arm/dma-mapping.h
index 666617711c..c8b5d0db0c 100644
--- a/include/asm-arm/dma-mapping.h
+++ b/include/asm-arm/dma-mapping.h
@@ -17,7 +17,7 @@
  * platforms with CONFIG_DMABOUNCE.
  * Use the driver DMA support - see dma-mapping.h (dma_sync_*)
  */
-extern void consistent_sync(void *kaddr, size_t size, int rw);
+extern void consistent_sync(const void *kaddr, size_t size, int rw);
 
 /*
  * Return whether the given device DMA address mask can be supported
@@ -48,7 +48,7 @@ static inline int dma_get_cache_alignment(void)
 	return 32;
 }
 
-static inline int dma_is_consistent(dma_addr_t handle)
+static inline int dma_is_consistent(struct device *dev, dma_addr_t handle)
 {
 	return !!arch_is_coherent();
 }
@@ -61,6 +61,22 @@ static inline int dma_mapping_error(dma_addr_t dma_addr)
 	return dma_addr == ~0;
 }
 
+/*
+ * Dummy noncoherent implementation.  We don't provide a dma_cache_sync
+ * function so drivers using this API are highlighted with build warnings.
+ */
+static inline void *
+dma_alloc_noncoherent(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp)
+{
+	return NULL;
+}
+
+static inline void
+dma_free_noncoherent(struct device *dev, size_t size, void *cpu_addr,
+		     dma_addr_t handle)
+{
+}
+
 /**
  * dma_alloc_coherent - allocate consistent memory for DMA
  * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
@@ -429,7 +445,7 @@ extern void dmabounce_unregister_dev(struct device *);
  *
  * The dmabounce routines call this function whenever a dma-mapping
  * is requested to determine whether a given buffer needs to be bounced
- * or not. The function must return 0 if the the buffer is OK for
+ * or not. The function must return 0 if the buffer is OK for
  * DMA access and 1 if the buffer needs to be bounced.
  *
  */