struct pci_version_request {
        struct pci_message message_type;
-       enum pci_message_type protocol_version;
+       u32 protocol_version;
 } __packed;
 
 /*
                put_pcichild(hpdev, hv_pcidev_ref_initial);
        }
 
-       switch(hbus->state) {
+       switch (hbus->state) {
        case hv_pcibus_installed:
                /*
-               * Tell the core to rescan bus
-               * because there may have been changes.
-               */
+                * Tell the core to rescan bus
+                * because there may have been changes.
+                */
                pci_lock_rescan_remove();
                pci_scan_child_bus(hbus->pci_bus);
                pci_unlock_rescan_remove();