diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/omap-iommu.c | 13 | ||||
| -rw-r--r-- | drivers/iommu/omap-iovmm.c | 2 |
2 files changed, 5 insertions, 10 deletions
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index 4311bc32cfa..bd5f6064c74 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -1081,18 +1081,13 @@ static int omap_iommu_unmap(struct iommu_domain *domain, unsigned long da, struct omap_iommu_domain *omap_domain = domain->priv; struct omap_iommu *oiommu = omap_domain->iommu_dev; struct device *dev = oiommu->dev; - size_t bytes = PAGE_SIZE << order; - size_t ret; + size_t unmap_size; - dev_dbg(dev, "unmapping da 0x%lx size 0x%x\n", da, bytes); + dev_dbg(dev, "unmapping da 0x%lx order %d\n", da, order); - ret = iopgtable_clear_entry(oiommu, da); - if (ret != bytes) { - dev_err(dev, "entry @ 0x%lx was %d; not %d\n", da, ret, bytes); - return -EINVAL; - } + unmap_size = iopgtable_clear_entry(oiommu, da); - return 0; + return unmap_size ? get_order(unmap_size) : -EINVAL; } static int diff --git a/drivers/iommu/omap-iovmm.c b/drivers/iommu/omap-iovmm.c index 39bdb92aa96..e8fdb8830f6 100644 --- a/drivers/iommu/omap-iovmm.c +++ b/drivers/iommu/omap-iovmm.c @@ -480,7 +480,7 @@ static void unmap_iovm_area(struct iommu_domain *domain, struct omap_iommu *obj, order = get_order(bytes); err = iommu_unmap(domain, start, order); - if (err) + if (err < 0) break; dev_dbg(obj->dev, "%s: unmap %08x(%x) %08x\n", |