+ __pci_bus_assign_resources(bus, &head);
+ }
+ tried_times++;
+
+ /* any device complain? */
+ if (!head.next)
+ goto enable_and_dump;
+ failed_type = 0;
+ for (list = head.next; list;) {
+ failed_type |= list->flags;
+ list = list->next;
+ }
+ /*
+ * io port are tight, don't try extra
+ * or if reach the limit, don't want to try more
+ */
+ failed_type &= type_mask;
+ if ((failed_type == IORESOURCE_IO) || (tried_times >= pci_try_num)) {
+ free_failed_list(&head);
+ goto enable_and_dump;
+ }
+
+ printk(KERN_DEBUG "PCI: No. %d try to assign unassigned res\n",
+ tried_times + 1);
+
+ /* third times and later will not check if it is leaf */
+ if ((tried_times + 1) > 2)
+ rel_type = whole_subtree;
+
+ /*
+ * Try to release leaf bridge's resources that doesn't fit resource of
+ * child device under that bridge
+ */
+ for (list = head.next; list;) {
+ bus = list->dev->bus;
+ pci_bus_release_bridge_resources(bus, list->flags & type_mask,
+ rel_type);
+ list = list->next;