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authorJoerg Roedel <joerg.roedel@amd.com>2011-12-14 12:41:31 +0100
committerJoerg Roedel <joerg.roedel@amd.com>2011-12-14 12:52:09 +0100
commita06ec394c9318e2ee9209ca3c106d3fa6fbfeb00 (patch)
treef94f71b5a542b42ecea60e6f903e3f19e5b2eada /drivers/iommu/omap-iovmm.c
parent175d6146738b3d04e1adcaa4a971a3b2b0dbd8af (diff)
parent6c274d1cd5b3aa0834e9f0c3f58038f42278ff8c (diff)
Merge branch 'iommu/page-sizes' into x86/amd
Conflicts: drivers/iommu/amd_iommu.c
Diffstat (limited to 'drivers/iommu/omap-iovmm.c')
-rw-r--r--drivers/iommu/omap-iovmm.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/iommu/omap-iovmm.c b/drivers/iommu/omap-iovmm.c
index 46be456fcc0..6edc4ceba19 100644
--- a/drivers/iommu/omap-iovmm.c
+++ b/drivers/iommu/omap-iovmm.c
@@ -410,7 +410,6 @@ static int map_iovm_area(struct iommu_domain *domain, struct iovm_struct *new,
unsigned int i, j;
struct scatterlist *sg;
u32 da = new->da_start;
- int order;
if (!domain || !sgt)
return -EINVAL;
@@ -429,12 +428,10 @@ static int map_iovm_area(struct iommu_domain *domain, struct iovm_struct *new,
if (bytes_to_iopgsz(bytes) < 0)
goto err_out;
- order = get_order(bytes);
-
pr_debug("%s: [%d] %08x %08x(%x)\n", __func__,
i, da, pa, bytes);
- err = iommu_map(domain, da, pa, order, flags);
+ err = iommu_map(domain, da, pa, bytes, flags);
if (err)
goto err_out;
@@ -449,10 +446,9 @@ err_out:
size_t bytes;
bytes = sg->length + sg->offset;
- order = get_order(bytes);
/* ignore failures.. we're already handling one */
- iommu_unmap(domain, da, order);
+ iommu_unmap(domain, da, bytes);
da += bytes;
}
@@ -467,7 +463,8 @@ static void unmap_iovm_area(struct iommu_domain *domain, struct omap_iommu *obj,
size_t total = area->da_end - area->da_start;
const struct sg_table *sgt = area->sgt;
struct scatterlist *sg;
- int i, err;
+ int i;
+ size_t unmapped;
BUG_ON(!sgtable_ok(sgt));
BUG_ON((!total) || !IS_ALIGNED(total, PAGE_SIZE));
@@ -475,13 +472,11 @@ static void unmap_iovm_area(struct iommu_domain *domain, struct omap_iommu *obj,
start = area->da_start;
for_each_sg(sgt->sgl, sg, sgt->nents, i) {
size_t bytes;
- int order;
bytes = sg->length + sg->offset;
- order = get_order(bytes);
- err = iommu_unmap(domain, start, order);
- if (err < 0)
+ unmapped = iommu_unmap(domain, start, bytes);
+ if (unmapped < bytes)
break;
dev_dbg(obj->dev, "%s: unmap %08x(%x) %08x\n",