1 files changed, 29 insertions, 50 deletions

diff --git a/arch/alpha/include/asm/dma-mapping.h b/arch/alpha/include/asm/dma-mapping.h
index f514edec9f57..1bce8169733c 100644
--- a/arch/alpha/include/asm/dma-mapping.h
+++ b/arch/alpha/include/asm/dma-mapping.h
@@ -1,70 +1,49 @@
 #ifndef _ALPHA_DMA_MAPPING_H
 #define _ALPHA_DMA_MAPPING_H
 
+#include <linux/dma-attrs.h>
 
-#ifdef CONFIG_PCI
+extern struct dma_map_ops *dma_ops;
 
-#include <linux/pci.h>
+static inline struct dma_map_ops *get_dma_ops(struct device *dev)
+{
+        return dma_ops;
+}
 
-#define dma_map_single(dev, va, size, dir)              \
-                pci_map_single(alpha_gendev_to_pci(dev), va, size, dir)
-#define dma_unmap_single(dev, addr, size, dir)          \
-                pci_unmap_single(alpha_gendev_to_pci(dev), addr, size, dir)
-#define dma_alloc_coherent(dev, size, addr, gfp)        \
-              __pci_alloc_consistent(alpha_gendev_to_pci(dev), size, addr, gfp)
-#define dma_free_coherent(dev, size, va, addr)          \
-                pci_free_consistent(alpha_gendev_to_pci(dev), size, va, addr)
-#define dma_map_page(dev, page, off, size, dir)         \
-                pci_map_page(alpha_gendev_to_pci(dev), page, off, size, dir)
-#define dma_unmap_page(dev, addr, size, dir)            \
-                pci_unmap_page(alpha_gendev_to_pci(dev), addr, size, dir)
-#define dma_map_sg(dev, sg, nents, dir)                 \
-                pci_map_sg(alpha_gendev_to_pci(dev), sg, nents, dir)
-#define dma_unmap_sg(dev, sg, nents, dir)               \
-                pci_unmap_sg(alpha_gendev_to_pci(dev), sg, nents, dir)
-#define dma_supported(dev, mask)                        \
-                pci_dma_supported(alpha_gendev_to_pci(dev), mask)
-#define dma_mapping_error(dev, addr)                            \
-                pci_dma_mapping_error(alpha_gendev_to_pci(dev), addr)
+#include <asm-generic/dma-mapping-common.h>
 
-#else   /* no PCI - no IOMMU. */
+static inline void *dma_alloc_coherent(struct device *dev, size_t size,
+                                       dma_addr_t *dma_handle, gfp_t gfp)
+{
+        return get_dma_ops(dev)->alloc_coherent(dev, size, dma_handle, gfp);
+}
 
-#include <asm/io.h>     /* for virt_to_phys() */
+static inline void dma_free_coherent(struct device *dev, size_t size,
+                                     void *vaddr, dma_addr_t dma_handle)
+{
+        get_dma_ops(dev)->free_coherent(dev, size, vaddr, dma_handle);
+}
 
-struct scatterlist;
-void *dma_alloc_coherent(struct device *dev, size_t size,
-                         dma_addr_t *dma_handle, gfp_t gfp);
-int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
-               enum dma_data_direction direction);
+static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+        return get_dma_ops(dev)->mapping_error(dev, dma_addr);
+}
 
-#define dma_free_coherent(dev, size, va, addr)          \
-                free_pages((unsigned long)va, get_order(size))
-#define dma_supported(dev, mask)                (mask < 0x00ffffffUL ? 0 : 1)
-#define dma_map_single(dev, va, size, dir)      virt_to_phys(va)
-#define dma_map_page(dev, page, off, size, dir) (page_to_pa(page) + off)
+static inline int dma_supported(struct device *dev, u64 mask)
+{
+        return get_dma_ops(dev)->dma_supported(dev, mask);
+}
 
-#define dma_unmap_single(dev, addr, size, dir)  ((void)0)
-#define dma_unmap_page(dev, addr, size, dir)    ((void)0)
-#define dma_unmap_sg(dev, sg, nents, dir)       ((void)0)
-
-#define dma_mapping_error(dev, addr)  (0)
-
-#endif  /* !CONFIG_PCI */
+static inline int dma_set_mask(struct device *dev, u64 mask)
+{
+        return get_dma_ops(dev)->set_dma_mask(dev, mask);
+}
 
 #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)
 
-int dma_set_mask(struct device *dev, u64 mask);
-
-#define dma_sync_single_for_cpu(dev, addr, size, dir)     ((void)0)
-#define dma_sync_single_for_device(dev, addr, size, dir)  ((void)0)
-#define dma_sync_sg_for_cpu(dev, sg, nents, dir)          ((void)0)
-#define dma_sync_sg_for_device(dev, sg, nents, dir)       ((void)0)
 #define dma_cache_sync(dev, va, size, dir)                ((void)0)
-#define dma_sync_single_range_for_cpu(dev, addr, offset, size, dir)     ((void)0)
-#define dma_sync_single_range_for_device(dev, addr, offset, size, dir)  ((void)0)
-
 #define dma_get_cache_alignment()                         L1_CACHE_BYTES
 
 #endif  /* _ALPHA_DMA_MAPPING_H */