From db0fa0cb015794dd19f664933d49c6ce902ec1e1 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Mon, 17 Aug 2015 08:13:26 -0600 Subject: scatterlist: use sg_phys() Coccinelle cleanup to replace open coded sg to physical address translations. This is in preparation for introducing scatterlists that reference __pfn_t. // sg_phys.cocci: convert usage page_to_phys(sg_page(sg)) to sg_phys(sg) // usage: make coccicheck COCCI=sg_phys.cocci MODE=patch virtual patch @@ struct scatterlist *sg; @@ - page_to_phys(sg_page(sg)) + sg->offset + sg_phys(sg) @@ struct scatterlist *sg; @@ - page_to_phys(sg_page(sg)) + sg_phys(sg) & PAGE_MASK Signed-off-by: Dan Williams Signed-off-by: Jens Axboe --- drivers/iommu/iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/iommu/iommu.c') diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index f286090931cc..049df495c274 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -1408,7 +1408,7 @@ size_t default_iommu_map_sg(struct iommu_domain *domain, unsigned long iova, min_pagesz = 1 << __ffs(domain->ops->pgsize_bitmap); for_each_sg(sg, s, nents, i) { - phys_addr_t phys = page_to_phys(sg_page(s)) + s->offset; + phys_addr_t phys = sg_phys(s); /* * We are mapping on IOMMU page boundaries, so offset within -- cgit v1.2.3-70-g09d2