x86-64: update nommu to sg helpers
Acked-by: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/arch/x86/kernel/pci-nommu_64.c b/arch/x86/kernel/pci-nommu_64.c
index 2a34c6c..e85d436 100644
--- a/arch/x86/kernel/pci-nommu_64.c
+++ b/arch/x86/kernel/pci-nommu_64.c
@@ -5,6 +5,7 @@
#include <linux/pci.h>
#include <linux/string.h>
#include <linux/dma-mapping.h>
+#include <linux/scatterlist.h>
#include <asm/iommu.h>
#include <asm/processor.h>
@@ -57,10 +58,10 @@
static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
int nents, int direction)
{
+ struct scatterlist *s;
int i;
- for (i = 0; i < nents; i++ ) {
- struct scatterlist *s = &sg[i];
+ for_each_sg(sg, s, nents, i) {
BUG_ON(!s->page);
s->dma_address = virt_to_bus(page_address(s->page) +s->offset);
if (!check_addr("map_sg", hwdev, s->dma_address, s->length))
