Merge commit 'origin/master' into next

[pandora-kernel.git] / arch / sparc / kernel / iommu.c

diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index d8900e1..0aeaefe 100644 (file)
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -351,8 +351,9 @@ static void dma_4u_free_coherent(struct device *dev, size_t size,
                free_pages((unsigned long)cpu, order);
 }
 
-static dma_addr_t dma_4u_map_single(struct device *dev, void *ptr, size_t sz,
-                                   enum dma_data_direction direction)
+static dma_addr_t dma_4u_map_page(struct device *dev, struct page *page,
+                                 unsigned long offset, size_t sz,
+                                 enum dma_data_direction direction)
 {
        struct iommu *iommu;
        struct strbuf *strbuf;
@@ -368,7 +369,7 @@ static dma_addr_t dma_4u_map_single(struct device *dev, void *ptr, size_t sz,
        if (unlikely(direction == DMA_NONE))
                goto bad_no_ctx;
 
-       oaddr = (unsigned long)ptr;
+       oaddr = (unsigned long)(page_address(page) + offset);
        npages = IO_PAGE_ALIGN(oaddr + sz) - (oaddr & IO_PAGE_MASK);
        npages >>= IO_PAGE_SHIFT;
 
@@ -472,8 +473,8 @@ do_flush_sync:
                       vaddr, ctx, npages);
 }
 
-static void dma_4u_unmap_single(struct device *dev, dma_addr_t bus_addr,
-                               size_t sz, enum dma_data_direction direction)
+static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr,
+                             size_t sz, enum dma_data_direction direction)
 {
        struct iommu *iommu;
        struct strbuf *strbuf;
@@ -824,8 +825,8 @@ static void dma_4u_sync_sg_for_cpu(struct device *dev,
 static const struct dma_ops sun4u_dma_ops = {
        .alloc_coherent         = dma_4u_alloc_coherent,
        .free_coherent          = dma_4u_free_coherent,
-       .map_single             = dma_4u_map_single,
-       .unmap_single           = dma_4u_unmap_single,
+       .map_page               = dma_4u_map_page,
+       .unmap_page             = dma_4u_unmap_page,
        .map_sg                 = dma_4u_map_sg,
        .unmap_sg               = dma_4u_unmap_sg,
        .sync_single_for_cpu    = dma_4u_sync_single_for_cpu,