diff options
Diffstat (limited to 'drivers/iommu/amd_iommu.c')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 0c910a863581..bba1b9f2f782 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -288,7 +288,13 @@ static u16 get_alias(struct device *dev) /* The callers make sure that get_device_id() does not fail here */ devid = get_device_id(dev); + + /* For ACPI HID devices, we simply return the devid as such */ + if (!dev_is_pci(dev)) + return devid; + ivrs_alias = amd_iommu_alias_table[devid]; + pci_for_each_dma_alias(pdev, __last_alias, &pci_alias); if (ivrs_alias == pci_alias) @@ -2452,9 +2458,9 @@ static void __unmap_single(struct dma_ops_domain *dma_dom, } if (amd_iommu_unmap_flush) { - dma_ops_free_iova(dma_dom, dma_addr, pages); domain_flush_tlb(&dma_dom->domain); domain_flush_complete(&dma_dom->domain); + dma_ops_free_iova(dma_dom, dma_addr, pages); } else { queue_add(dma_dom, dma_addr, pages); } |