Update arch/ to use sg helpers

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

4 files changed, 5 insertions, 8 deletions

diff --git a/arch/powerpc/kernel/dma_64.c b/arch/powerpc/kernel/dma_64.c
index 9001104b56b0..14206e3f0819 100644
--- a/arch/powerpc/kernel/dma_64.c
+++ b/arch/powerpc/kernel/dma_64.c
@@ -161,8 +161,7 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
         int i;
 
         for_each_sg(sgl, sg, nents, i) {
-                sg->dma_address = (page_to_phys(sg->page) + sg->offset) |
-                        dma_direct_offset;
+                sg->dma_address = sg_phys(sg) | dma_direct_offset;
                 sg->dma_length = sg->length;
         }
 
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index 289d7e935918..72fd87156b24 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -102,8 +102,7 @@ static int ibmebus_map_sg(struct device *dev,
         int i;
 
         for_each_sg(sgl, sg, nents, i) {
-                sg->dma_address = (dma_addr_t)page_address(sg->page)
-                        + sg->offset;
+                sg->dma_address = (dma_addr_t) sg_virt(sg);
                 sg->dma_length = sg->length;
         }
 
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index 306a6f75b6c5..2d0c9ef555e9 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -307,7 +307,7 @@ int iommu_map_sg(struct iommu_table *tbl, struct scatterlist *sglist,
                         continue;
                 }
                 /* Allocate iommu entries for that segment */
-                vaddr = (unsigned long)page_address(s->page) + s->offset;
+                vaddr = (unsigned long) sg_virt(s);
                 npages = iommu_num_pages(vaddr, slen);
                 entry = iommu_range_alloc(tbl, npages, &handle, mask >> IOMMU_PAGE_SHIFT, 0);
 
diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index 07e64b48e7fc..6405f4a36763 100644
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -628,9 +628,8 @@ static int ps3_sb_map_sg(struct device *_dev, struct scatterlist *sgl,
         int i;
 
         for_each_sg(sgl, sg, nents, i) {
-                int result = ps3_dma_map(dev->d_region,
-                        page_to_phys(sg->page) + sg->offset, sg->length,
-                                         &sg->dma_address, 0);
+                int result = ps3_dma_map(dev->d_region, sg_phys(sg),
+                                        sg->length, &sg->dma_address, 0);
 
                 if (result) {
                         pr_debug("%s:%d: ps3_dma_map failed (%d)\n",