PCI: cpqhp: register busn_res

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
diff --git a/drivers/pci/hotplug/cpqphp_pci.c b/drivers/pci/hotplug/cpqphp_pci.c
index 1c84940..2471672 100644
--- a/drivers/pci/hotplug/cpqphp_pci.c
+++ b/drivers/pci/hotplug/cpqphp_pci.c
@@ -106,9 +106,11 @@
 	}
 
 	if (func->pci_dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
+		int max;
 		pci_read_config_byte(func->pci_dev, PCI_SECONDARY_BUS, &bus);
 		child = (struct pci_bus*) pci_add_new_bus(func->pci_dev->bus, (func->pci_dev), bus);
-		pci_do_scan_bus(child);
+		max = pci_do_scan_bus(child);
+		pci_bus_update_busn_res_end(child, max);
 	}
 
 	pci_dev_put(func->pci_dev);