diff options
Diffstat (limited to 'drivers/iommu/amd/iommu.c')
-rw-r--r-- | drivers/iommu/amd/iommu.c | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 7dedbea9c67f..1722bb161841 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -1750,14 +1750,9 @@ static struct iommu_device *amd_iommu_probe_device(struct device *dev) static void amd_iommu_probe_finalize(struct device *dev) { - struct iommu_domain *domain; - /* Domains are initialized for this device - have a look what we ended up with */ - domain = iommu_get_domain_for_dev(dev); - if (domain->type == IOMMU_DOMAIN_DMA) - iommu_setup_dma_ops(dev, 0, U64_MAX); - else - set_dma_ops(dev, NULL); + set_dma_ops(dev, NULL); + iommu_setup_dma_ops(dev, 0, U64_MAX); } static void amd_iommu_release_device(struct device *dev) @@ -1961,16 +1956,7 @@ static struct iommu_domain *amd_iommu_domain_alloc(unsigned type) domain->domain.geometry.aperture_end = ~0ULL; domain->domain.geometry.force_aperture = true; - if (type == IOMMU_DOMAIN_DMA && - iommu_get_dma_cookie(&domain->domain) == -ENOMEM) - goto free_domain; - return &domain->domain; - -free_domain: - protection_domain_free(domain); - - return NULL; } static void amd_iommu_domain_free(struct iommu_domain *dom) @@ -1987,9 +1973,6 @@ static void amd_iommu_domain_free(struct iommu_domain *dom) if (!dom) return; - if (dom->type == IOMMU_DOMAIN_DMA) - iommu_put_dma_cookie(&domain->domain); - if (domain->flags & PD_IOMMUV2_MASK) free_gcr3_table(domain); |