Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6: (30 commits)
  sparc64: Update defconfig.
  sparc: Wire up sys_rt_tgsigqueueinfo().
  openprom: Squelch useless GCC warning.
  sparc: replace uses of CPU_MASK_ALL_PTR
  sparc64: Add proper dynamic ftrace support.
  sparc: Simplify code using is_power_of_2() routine.
  sparc: move of_device common code to of_device_common
  sparc: remove dma-mapping_{32|64}.h
  sparc: use dma_map_page instead of dma_map_single
  sparc: add sync_single_for_device and sync_sg_for_device to struct dma_ops
  sparc: move the duplication in dma-mapping_{32|64}.h to dma-mapping.h
  p9100: use standard fields for framebuffer physical address and length
  leo: use standard fields for framebuffer physical address and length
  cg6: use standard fields for framebuffer physical address and length
  cg3: use standard fields for framebuffer physical address and length
  cg14: use standard fields for framebuffer physical address and length
  bw2: use standard fields for framebuffer physical address and length
  sparc64: fix and optimize irq distribution
  sparc64: Use new dynamic per-cpu allocator.
  sparc64: Only allocate per-cpu areas for possible cpus.
  ...

1 files changed, 8 insertions, 7 deletions

diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index 5db5ebed35d..2485eaa2310 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -230,8 +230,9 @@ static void dma_4v_free_coherent(struct device *dev, size_t size, void *cpu,
 		free_pages((unsigned long)cpu, order);
 }
 
-static dma_addr_t dma_4v_map_single(struct device *dev, void *ptr, size_t sz,
-				    enum dma_data_direction direction)
+static dma_addr_t dma_4v_map_page(struct device *dev, struct page *page,
+				  unsigned long offset, size_t sz,
+				  enum dma_data_direction direction)
 {
 	struct iommu *iommu;
 	unsigned long flags, npages, oaddr;
@@ -245,7 +246,7 @@ static dma_addr_t dma_4v_map_single(struct device *dev, void *ptr, size_t sz,
 	if (unlikely(direction == DMA_NONE))
 		goto bad;
 
-	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;
 
@@ -294,8 +295,8 @@ iommu_map_fail:
 	return DMA_ERROR_CODE;
 }
 
-static void dma_4v_unmap_single(struct device *dev, dma_addr_t bus_addr,
-				size_t sz, enum dma_data_direction direction)
+static void dma_4v_unmap_page(struct device *dev, dma_addr_t bus_addr,
+			      size_t sz, enum dma_data_direction direction)
 {
 	struct pci_pbm_info *pbm;
 	struct iommu *iommu;
@@ -537,8 +538,8 @@ static void dma_4v_sync_sg_for_cpu(struct device *dev,
 static const struct dma_ops sun4v_dma_ops = {
 	.alloc_coherent			= dma_4v_alloc_coherent,
 	.free_coherent			= dma_4v_free_coherent,
-	.map_single			= dma_4v_map_single,
-	.unmap_single			= dma_4v_unmap_single,
+	.map_page			= dma_4v_map_page,
+	.unmap_page			= dma_4v_unmap_page,
 	.map_sg				= dma_4v_map_sg,
 	.unmap_sg			= dma_4v_unmap_sg,
 	.sync_single_for_cpu		= dma_4v_sync_single_for_cpu,