Merge branch 'fixes-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville...

[~andy/linux] / include / asm-sh / dma-mapping.h

diff --git a/include/asm-sh/dma-mapping.h b/include/asm-sh/dma-mapping.h
index d3bc7818bbbea2e6631f781739266fb740d0bb7e..fcea067f7a9ce08830c17971207b28c14d27dac8 100644 (file)
--- a/include/asm-sh/dma-mapping.h
+++ b/include/asm-sh/dma-mapping.h
@@ -2,7 +2,7 @@
 #define __ASM_SH_DMA_MAPPING_H
 
 #include <linux/mm.h>
-#include <asm/scatterlist.h>
+#include <linux/scatterlist.h>
 #include <asm/cacheflush.h>
 #include <asm/io.h>
 
@@ -69,11 +69,11 @@ static inline dma_addr_t dma_map_single(struct device *dev,
 {
 #if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT)
        if (dev->bus == &pci_bus_type)
-               return virt_to_bus(ptr);
+               return virt_to_phys(ptr);
 #endif
        dma_cache_sync(dev, ptr, size, dir);
 
-       return virt_to_bus(ptr);
+       return virt_to_phys(ptr);
 }
 
 #define dma_unmap_single(dev, addr, size, dir) do { } while (0)
@@ -85,10 +85,9 @@ static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
 
        for (i = 0; i < nents; i++) {
 #if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT)
-               dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
-                              sg[i].length, dir);
+               dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
 #endif
-               sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset;
+               sg[i].dma_address = sg_phys(&sg[i]);
        }
 
        return nents;
@@ -116,7 +115,7 @@ static inline void dma_sync_single(struct device *dev, dma_addr_t dma_handle,
        if (dev->bus == &pci_bus_type)
                return;
 #endif
-       dma_cache_sync(dev, bus_to_virt(dma_handle), size, dir);
+       dma_cache_sync(dev, phys_to_virt(dma_handle), size, dir);
 }
 
 static inline void dma_sync_single_range(struct device *dev,
@@ -128,7 +127,7 @@ static inline void dma_sync_single_range(struct device *dev,
        if (dev->bus == &pci_bus_type)
                return;
 #endif
-       dma_cache_sync(dev, bus_to_virt(dma_handle) + offset, size, dir);
+       dma_cache_sync(dev, phys_to_virt(dma_handle) + offset, size, dir);
 }
 
 static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg,
@@ -138,10 +137,9 @@ static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg,
 
        for (i = 0; i < nelems; i++) {
 #if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT)
-               dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
-                              sg[i].length, dir);
+               dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
 #endif
-               sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset;
+               sg[i].dma_address = sg_phys(&sg[i]);
        }
 }
 
@@ -160,6 +158,25 @@ static inline void dma_sync_single_for_device(struct device *dev,
        dma_sync_single(dev, dma_handle, size, dir);
 }
 
+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 direction)
+{
+       dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction);
+}
+
+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 direction)
+{
+       dma_sync_single_for_device(dev, dma_handle+offset, size, direction);
+}
+
+
 static inline void dma_sync_sg_for_cpu(struct device *dev,
                                       struct scatterlist *sg, int nelems,
                                       enum dma_data_direction dir)