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 4e04fff23977..bee0dfb7b93b 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -246,7 +246,13 @@ 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) @@ -3063,7 +3069,7 @@ static phys_addr_t amd_iommu_iova_to_phys(struct iommu_domain *dom, return 0; offset_mask = pte_pgsize - 1; - __pte = *pte & PM_ADDR_MASK; + __pte = __sme_clr(*pte & PM_ADDR_MASK); return (__pte & ~offset_mask) | (iova & offset_mask); } |