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| author | Joerg Roedel <joerg.roedel@amd.com> | 2011-12-14 12:41:31 +0100 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2011-12-14 12:52:09 +0100 |
| commit | a06ec394c9318e2ee9209ca3c106d3fa6fbfeb00 (patch) | |
| tree | f94f71b5a542b42ecea60e6f903e3f19e5b2eada /drivers/iommu/omap-iovmm.c | |
| parent | 175d6146738b3d04e1adcaa4a971a3b2b0dbd8af (diff) | |
| parent | 6c274d1cd5b3aa0834e9f0c3f58038f42278ff8c (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.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/iommu/omap-iovmm.c b/drivers/iommu/omap-iovmm.c index 46be456fcc00..6edc4ceba197 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", |