sparc: move the duplication in dma-mapping_{32|64}.h to dma-mapping.h
authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Thu, 14 May 2009 16:23:08 +0000 (16:23 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 16 Jun 2009 11:56:41 +0000 (04:56 -0700)
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Tested-by: Robert Reif <reif@earthlink.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc/include/asm/dma-mapping.h
arch/sparc/include/asm/dma-mapping_32.h
arch/sparc/include/asm/dma-mapping_64.h
arch/sparc/kernel/dma.c

index 0f4150e..8c911ea 100644 (file)
@@ -5,4 +5,46 @@
 #else
 #include <asm/dma-mapping_32.h>
 #endif
+
+#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
+
+extern int dma_supported(struct device *dev, u64 mask);
+extern int dma_set_mask(struct device *dev, u64 dma_mask);
+
+static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+       return (dma_addr == DMA_ERROR_CODE);
+}
+
+static inline int dma_get_cache_alignment(void)
+{
+       /*
+        * no easy way to get cache size on all processors, so return
+        * the maximum possible, to be safe
+        */
+       return (1 << INTERNODE_CACHE_SHIFT);
+}
+
+#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_is_consistent(d, h)        (1)
+
+static inline void dma_sync_single_range_for_cpu(struct device *dev,
+                                                dma_addr_t dma_handle,
+                                                unsigned long offset,
+                                                size_t size,
+                                                enum dma_data_direction dir)
+{
+       dma_sync_single_for_cpu(dev, dma_handle+offset, size, dir);
+}
+
+static inline void dma_sync_single_range_for_device(struct device *dev,
+                                                   dma_addr_t dma_handle,
+                                                   unsigned long offset,
+                                                   size_t size,
+                                                   enum dma_data_direction dir)
+{
+       dma_sync_single_for_device(dev, dma_handle+offset, size, dir);
+}
+
 #endif
Simple merge