PCI: sgihp: register busn_res

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/hotplug/sgi_hotplug.c

@@ -398,11 +398,13 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
 				sn_io_slot_fixup(dev);
 			if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
 				unsigned char sec_bus;
+				int max;
 				pci_read_config_byte(dev, PCI_SECONDARY_BUS,
 						     &sec_bus);
 				new_bus = pci_add_new_bus(dev->bus, dev,
 							  sec_bus);
-				pci_scan_child_bus(new_bus);
+				max = pci_scan_child_bus(new_bus);
+				pci_bus_update_busn_res_end(new_bus, max);
 				new_ppb = 1;
 			}
 			pci_dev_put(dev);