diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 8bcaed18f0dd3eeb818e7f7a7c326df595c2fe9e..f85f10d220490308be8413faf9c69aeca26c9c1e 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -556,13 +556,11 @@ int dw_pcie_host_init(struct pcie_port *pp)
 	pci_fixup_irqs(pci_common_swizzle, of_irq_parse_and_map_pci);
 #endif
 
-	if (!pci_has_flag(PCI_PROBE_ONLY)) {
-		pci_bus_size_bridges(bus);
-		pci_bus_assign_resources(bus);
+	pci_bus_size_bridges(bus);
+	pci_bus_assign_resources(bus);
 
-		list_for_each_entry(child, &bus->children, node)
-			pcie_bus_configure_settings(child);
-	}
+	list_for_each_entry(child, &bus->children, node)
+		pcie_bus_configure_settings(child);
 
 	pci_bus_add_devices(bus);
 	return 0;