diff options
Diffstat (limited to 'drivers/pci/dmar.c')
| -rw-r--r-- | drivers/pci/dmar.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 416f6ac65b7..6cdc931f7c1 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -320,7 +320,7 @@ found: for (bus = dev->bus; bus; bus = bus->parent) { struct pci_dev *bridge = bus->self; - if (!bridge || !bridge->is_pcie || + if (!bridge || !pci_is_pcie(bridge) || bridge->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE) return 0; @@ -645,8 +645,11 @@ void __init detect_intel_iommu(void) "x2apic and Intr-remapping.\n"); #endif #ifdef CONFIG_DMAR - if (ret && !no_iommu && !iommu_detected && !dmar_disabled) + if (ret && !no_iommu && !iommu_detected && !dmar_disabled) { iommu_detected = 1; + /* Make sure ACS will be enabled */ + pci_request_acs(); + } #endif #ifdef CONFIG_X86 if (ret) |