diff options
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 1880811cec33..254f028cd18e 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -291,16 +291,15 @@ static struct iommu_group *acpihid_device_group(struct device *dev) static bool pci_iommuv2_capable(struct pci_dev *pdev) { static const int caps[] = { - PCI_EXT_CAP_ID_ATS, PCI_EXT_CAP_ID_PRI, PCI_EXT_CAP_ID_PASID, }; int i, pos; - if (pci_ats_disabled()) + if (!pci_ats_supported(pdev)) return false; - for (i = 0; i < 3; ++i) { + for (i = 0; i < 2; ++i) { pos = pci_find_ext_capability(pdev, caps[i]); if (pos == 0) return false; @@ -3028,11 +3027,8 @@ int amd_iommu_device_info(struct pci_dev *pdev, memset(info, 0, sizeof(*info)); - if (!pci_ats_disabled()) { - pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_ATS); - if (pos) - info->flags |= AMD_IOMMU_DEVICE_FLAG_ATS_SUP; - } + if (pci_ats_supported(pdev)) + info->flags |= AMD_IOMMU_DEVICE_FLAG_ATS_SUP; pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_PRI); if (pos) |