diff --git a/drivers/perf/dwc_pcie_pmu.c b/drivers/perf/dwc_pcie_pmu.c
index 957058ad0099e..b49193fecd109 100644
--- a/drivers/perf/dwc_pcie_pmu.c
+++ b/drivers/perf/dwc_pcie_pmu.c
@@ -556,10 +556,10 @@ static int dwc_pcie_register_dev(struct pci_dev *pdev)
 {
 	struct platform_device *plat_dev;
 	struct dwc_pcie_dev_info *dev_info;
-	u32 bdf;
+	u32 sbdf;
 
-	bdf = PCI_DEVID(pdev->bus->number, pdev->devfn);
-	plat_dev = platform_device_register_data(NULL, "dwc_pcie_pmu", bdf,
+	sbdf = (pci_domain_nr(pdev->bus) << 16) | PCI_DEVID(pdev->bus->number, pdev->devfn);
+	plat_dev = platform_device_register_data(NULL, "dwc_pcie_pmu", sbdf,
 						 pdev, sizeof(*pdev));
 
 	if (IS_ERR(plat_dev))
@@ -611,15 +611,15 @@ static int dwc_pcie_pmu_probe(struct platform_device *plat_dev)
 	struct pci_dev *pdev = plat_dev->dev.platform_data;
 	struct dwc_pcie_pmu *pcie_pmu;
 	char *name;
-	u32 bdf, val;
+	u32 sbdf, val;
 	u16 vsec;
 	int ret;
 
 	vsec = pci_find_vsec_capability(pdev, pdev->vendor,
 					DWC_PCIE_VSEC_RAS_DES_ID);
 	pci_read_config_dword(pdev, vsec + PCI_VNDR_HEADER, &val);
-	bdf = PCI_DEVID(pdev->bus->number, pdev->devfn);
-	name = devm_kasprintf(&plat_dev->dev, GFP_KERNEL, "dwc_rootport_%x", bdf);
+	sbdf = plat_dev->id;
+	name = devm_kasprintf(&plat_dev->dev, GFP_KERNEL, "dwc_rootport_%x", sbdf);
 	if (!name)
 		return -ENOMEM;
 
@@ -650,7 +650,7 @@ static int dwc_pcie_pmu_probe(struct platform_device *plat_dev)
 	ret = cpuhp_state_add_instance(dwc_pcie_pmu_hp_state,
 				       &pcie_pmu->cpuhp_node);
 	if (ret) {
-		pci_err(pdev, "Error %d registering hotplug @%x\n", ret, bdf);
+		pci_err(pdev, "Error %d registering hotplug @%x\n", ret, sbdf);
 		return ret;
 	}
 
@@ -663,7 +663,7 @@ static int dwc_pcie_pmu_probe(struct platform_device *plat_dev)
 
 	ret = perf_pmu_register(&pcie_pmu->pmu, name, -1);
 	if (ret) {
-		pci_err(pdev, "Error %d registering PMU @%x\n", ret, bdf);
+		pci_err(pdev, "Error %d registering PMU @%x\n", ret, sbdf);
 		return ret;
 	}
 	ret = devm_add_action_or_reset(&plat_dev->dev, dwc_pcie_unregister_pmu,
@@ -728,7 +728,6 @@ static struct platform_driver dwc_pcie_pmu_driver = {
 static int __init dwc_pcie_pmu_init(void)
 {
 	struct pci_dev *pdev = NULL;
-	bool found = false;
 	int ret;
 
 	for_each_pci_dev(pdev) {
@@ -740,11 +739,7 @@ static int __init dwc_pcie_pmu_init(void)
 			pci_dev_put(pdev);
 			return ret;
 		}
-
-		found = true;
 	}
-	if (!found)
-		return -ENODEV;
 
 	ret = cpuhp_setup_state_multi(CPUHP_AP_ONLINE_DYN,
 				      "perf/dwc_pcie_pmu:online",