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Diffstat (limited to 'arch/sparc64/kernel/iommu.c')
-rw-r--r--arch/sparc64/kernel/iommu.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/sparc64/kernel/iommu.c b/arch/sparc64/kernel/iommu.c
index 29af777d7ac..070a4846c0c 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;