diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index ef2623257a71a059f5dc5067ca2b4c229397b490..45eb03aa3d18a900989a235c65412649105365de 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -5009,6 +5009,7 @@ static int __init probe_acpi_namespace_devices(void)
 	struct device *dev;
 	int i, ret = 0;
 	u8 bus, devfn;
+	bool use_pn_dev = false;
 
 	for_each_active_iommu(iommu, drhd) {
 		for_each_active_dev_scope(drhd->devices,
@@ -5034,11 +5035,8 @@ static int __init probe_acpi_namespace_devices(void)
 				pci_device = pci_get_domain_bus_and_slot(iommu->segment,
 						bus, devfn);
 
-				if (!pci_device) {
-					pr_info("cannot get the corresponding pci_device\n");
-					ret = -ENODEV;
-					goto unlock;
-				}
+				if (!pci_device)
+					use_pn_dev = true;
 
 				info = dmar_search_domain_by_dev_info(iommu->segment, bus, devfn);
 				if (!info) {
@@ -5071,7 +5069,11 @@ static int __init probe_acpi_namespace_devices(void)
 				}
 			}
 			if (!info)
-				ret = acpi_device_create_direct_mappings(&pci_device->dev, dev);
+				if (use_pn_dev)
+					ret = acpi_device_create_direct_mappings(pn_dev, dev);
+				else
+					ret = acpi_device_create_direct_mappings(&pci_device->dev,
+										 dev);
 			else
 				ret = acpi_device_create_direct_mappings(info->dev, dev);
 unlock: