Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

[linux-2.6-omap-h63xx.git] / arch / mips / mm / dma-default.c

diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index f503d02e403bbf78bdb421402ff6a6dfddf6f742..76903c7276475145fa1661ae8d08df5bde458747 100644 (file)
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -19,6 +19,13 @@
 
 #include <dma-coherence.h>
 
+static inline unsigned long dma_addr_to_virt(dma_addr_t dma_addr)
+{
+       unsigned long addr = plat_dma_addr_to_phys(dma_addr);
+
+       return (unsigned long)phys_to_virt(addr);
+}
+
 /*
  * Warning on the terminology - Linux calls an uncached area coherent;
  * MIPS terminology calls memory areas with hardware maintained coherency
@@ -140,7 +147,7 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
        enum dma_data_direction direction)
 {
        if (cpu_is_noncoherent_r10000(dev))
-               __dma_sync(plat_dma_addr_to_phys(dma_addr) + PAGE_OFFSET, size,
+               __dma_sync(dma_addr_to_virt(dma_addr), size,
                           direction);
 
        plat_unmap_dma_mem(dma_addr);
@@ -161,8 +168,9 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
                addr = (unsigned long) page_address(sg->page);
                if (!plat_device_is_coherent(dev) && addr)
                        __dma_sync(addr + sg->offset, sg->length, direction);
-               sg->dma_address = plat_map_dma_mem_page(dev, sg->page) +
-                                 sg->offset;
+               sg->dma_address = plat_map_dma_mem(dev,
+                                                  (void *)(addr + sg->offset),
+                                                  sg->length);
        }
 
        return nents;
@@ -234,7 +242,7 @@ void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
        if (cpu_is_noncoherent_r10000(dev)) {
                unsigned long addr;
 
-               addr = PAGE_OFFSET + plat_dma_addr_to_phys(dma_handle);
+               addr = dma_addr_to_virt(dma_handle);
                __dma_sync(addr, size, direction);
        }
 }
@@ -249,7 +257,7 @@ void dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
        if (!plat_device_is_coherent(dev)) {
                unsigned long addr;
 
-               addr = PAGE_OFFSET + plat_dma_addr_to_phys(dma_handle);
+               addr = dma_addr_to_virt(dma_handle);
                __dma_sync(addr, size, direction);
        }
 }
@@ -264,7 +272,7 @@ void dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
        if (cpu_is_noncoherent_r10000(dev)) {
                unsigned long addr;
 
-               addr = PAGE_OFFSET + plat_dma_addr_to_phys(dma_handle);
+               addr = dma_addr_to_virt(dma_handle);
                __dma_sync(addr + offset, size, direction);
        }
 }
@@ -279,7 +287,7 @@ void dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
        if (!plat_device_is_coherent(dev)) {
                unsigned long addr;
 
-               addr = PAGE_OFFSET + plat_dma_addr_to_phys(dma_handle);
+               addr = dma_addr_to_virt(dma_handle);
                __dma_sync(addr + offset, size, direction);
        }
 }