Update arch/ to use sg helpers

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 2 insertions, 5 deletions

diff --git a/arch/sparc64/kernel/iommu.c b/arch/sparc64/kernel/iommu.c
index 29af777d7ac9..070a4846c0cb 100644
--- a/arch/sparc64/kernel/iommu.c
+++ b/arch/sparc64/kernel/iommu.c
@@ -472,8 +472,7 @@ static void dma_4u_unmap_single(struct device *dev, dma_addr_t bus_addr,
         spin_unlock_irqrestore(&iommu->lock, flags);
 }
 
-#define SG_ENT_PHYS_ADDRESS(SG) \
-        (__pa(page_address((SG)->page)) + (SG)->offset)
+#define SG_ENT_PHYS_ADDRESS(SG) (__pa(sg_virt((SG))))
 
 static void fill_sg(iopte_t *iopte, struct scatterlist *sg,
                     int nused, int nelems,
@@ -565,9 +564,7 @@ static int dma_4u_map_sg(struct device *dev, struct scatterlist *sglist,
         /* Fast path single entry scatterlists. */
         if (nelems == 1) {
                 sglist->dma_address =
-                        dma_4u_map_single(dev,
-                                          (page_address(sglist->page) +
-                                           sglist->offset),
+                        dma_4u_map_single(dev, sg_virt(sglist),
                                           sglist->length, direction);
                 if (unlikely(sglist->dma_address == DMA_ERROR_CODE))
                         return 0;