diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 155a3e6..5c72d12 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2863,9 +2863,7 @@ static struct iommu_domain *amd_iommu_domain_alloc(unsigned type) static void amd_iommu_domain_free(struct iommu_domain *dom) { struct protection_domain *domain; - - if (!dom) - return; + struct dma_ops_domain *dma_dom; domain = to_pdomain(dom); @@ -2874,13 +2872,24 @@ static void amd_iommu_domain_free(struct iommu_domain *dom) BUG_ON(domain->dev_cnt != 0); - if (domain->mode != PAGE_MODE_NONE) - free_pagetable(domain); + if (!dom) + return; - if (domain->flags & PD_IOMMUV2_MASK) - free_gcr3_table(domain); + switch (dom->type) { + case IOMMU_DOMAIN_DMA: + dma_dom = domain->priv; + dma_ops_domain_free(dma_dom); + break; + default: + if (domain->mode != PAGE_MODE_NONE) + free_pagetable(domain); - protection_domain_free(domain); + if (domain->flags & PD_IOMMUV2_MASK) + free_gcr3_table(domain); + + protection_domain_free(domain); + break; + } } static void amd_iommu_detach_device(struct iommu_domain *dom, |