dma-mapping: consolidate dma_supported

[pandora-kernel.git] / arch / hexagon / include / asm / dma-mapping.h

diff --git a/arch/hexagon/include/asm/dma-mapping.h b/arch/hexagon/include/asm/dma-mapping.h
index 1696542..36e8de7 100644 (file)
--- a/arch/hexagon/include/asm/dma-mapping.h
+++ b/arch/hexagon/include/asm/dma-mapping.h
@@ -31,12 +31,10 @@
 
 struct device;
 extern int bad_dma_address;
+#define DMA_ERROR_CODE bad_dma_address
 
 extern struct dma_map_ops *dma_ops;
 
-#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)
-
 static inline struct dma_map_ops *get_dma_ops(struct device *dev)
 {
        if (unlikely(dev == NULL))
@@ -45,6 +43,7 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev)
        return dma_ops;
 }
 
+#define HAVE_ARCH_DMA_SUPPORTED 1
 extern int dma_supported(struct device *dev, u64 mask);
 extern int dma_set_mask(struct device *dev, u64 mask);
 extern int dma_is_consistent(struct device *dev, dma_addr_t dma_handle);
@@ -60,47 +59,4 @@ static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
        return addr + size - 1 <= *dev->dma_mask;
 }
 
-static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
-       struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
-       if (dma_ops->mapping_error)
-               return dma_ops->mapping_error(dev, dma_addr);
-
-       return (dma_addr == bad_dma_address);
-}
-
-#define dma_alloc_coherent(d,s,h,f)    dma_alloc_attrs(d,s,h,f,NULL)
-
-static inline void *dma_alloc_attrs(struct device *dev, size_t size,
-                                   dma_addr_t *dma_handle, gfp_t flag,
-                                   struct dma_attrs *attrs)
-{
-       void *ret;
-       struct dma_map_ops *ops = get_dma_ops(dev);
-
-       BUG_ON(!dma_ops);
-
-       ret = ops->alloc(dev, size, dma_handle, flag, attrs);
-
-       debug_dma_alloc_coherent(dev, size, *dma_handle, ret);
-
-       return ret;
-}
-
-#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
-
-static inline void dma_free_attrs(struct device *dev, size_t size,
-                                 void *cpu_addr, dma_addr_t dma_handle,
-                                 struct dma_attrs *attrs)
-{
-       struct dma_map_ops *dma_ops = get_dma_ops(dev);
-
-       BUG_ON(!dma_ops);
-
-       dma_ops->free(dev, size, cpu_addr, dma_handle, attrs);
-
-       debug_dma_free_coherent(dev, size, cpu_addr, dma_handle);
-}
-
 #endif