518 static void __of_changeset_entry_destroy(struct of_changeset_entry *ce)  in __of_changeset_entry_destroy()  argument
520 	if (ce->action == OF_RECONFIG_ATTACH_NODE &&  in __of_changeset_entry_destroy()
521 	    of_node_check_flag(ce->np, OF_OVERLAY)) {  in __of_changeset_entry_destroy()
522 		if (kref_read(&ce->np->kobj.kref) > 1) {  in __of_changeset_entry_destroy()
524 			       kref_read(&ce->np->kobj.kref), ce->np);  in __of_changeset_entry_destroy()
526 			of_node_set_flag(ce->np, OF_OVERLAY_FREE_CSET);  in __of_changeset_entry_destroy()
530 	of_node_put(ce->np);  in __of_changeset_entry_destroy()
531 	list_del(&ce->node);  in __of_changeset_entry_destroy()
532 	kfree(ce);  in __of_changeset_entry_destroy()
535 static void __of_changeset_entry_invert(struct of_changeset_entry *ce,  in __of_changeset_entry_invert()  argument
538 	memcpy(rce, ce, sizeof(*rce));  in __of_changeset_entry_invert()
540 	switch (ce->action) {  in __of_changeset_entry_invert()
554 		rce->old_prop = ce->prop;  in __of_changeset_entry_invert()
555 		rce->prop = ce->old_prop;  in __of_changeset_entry_invert()
559 			rce->prop = ce->prop;  in __of_changeset_entry_invert()
565 static int __of_changeset_entry_notify(struct of_changeset_entry *ce,  in __of_changeset_entry_notify()  argument
573 		__of_changeset_entry_invert(ce, &ce_inverted);  in __of_changeset_entry_notify()
574 		ce = &ce_inverted;  in __of_changeset_entry_notify()
577 	switch (ce->action) {  in __of_changeset_entry_notify()
581 		rd.dn = ce->np;  in __of_changeset_entry_notify()
582 		ret = of_reconfig_notify(ce->action, &rd);  in __of_changeset_entry_notify()
587 		ret = of_property_notify(ce->action, ce->np, ce->prop, ce->old_prop);  in __of_changeset_entry_notify()
591 			(int)ce->action);  in __of_changeset_entry_notify()
596 		pr_err("changeset notifier error @%pOF\n", ce->np);  in __of_changeset_entry_notify()
600 static int __of_changeset_entry_apply(struct of_changeset_entry *ce)  in __of_changeset_entry_apply()  argument
604 	of_changeset_action_debug("apply: ", ce->action, ce->np, ce->prop);  in __of_changeset_entry_apply()
606 	switch (ce->action) {  in __of_changeset_entry_apply()
608 		__of_attach_node(ce->np);  in __of_changeset_entry_apply()
611 		__of_detach_node(ce->np);  in __of_changeset_entry_apply()
614 		ret = __of_add_property(ce->np, ce->prop);  in __of_changeset_entry_apply()
617 		ret = __of_remove_property(ce->np, ce->prop);  in __of_changeset_entry_apply()
621 		ret = __of_update_property(ce->np, ce->prop, &ce->old_prop);  in __of_changeset_entry_apply()
628 		of_changeset_action_err("apply failed: ", ce->action, ce->np, ce->prop);  in __of_changeset_entry_apply()
635 static inline int __of_changeset_entry_revert(struct of_changeset_entry *ce)  in __of_changeset_entry_revert()  argument
639 	__of_changeset_entry_invert(ce, &ce_inverted);  in __of_changeset_entry_revert()
667 	struct of_changeset_entry *ce, *cen;  in of_changeset_destroy()  local
669 	list_for_each_entry_safe_reverse(ce, cen, &ocs->entries, node)  in of_changeset_destroy()
670 		__of_changeset_entry_destroy(ce);  in of_changeset_destroy()
686 	struct of_changeset_entry *ce;  in __of_changeset_apply_entries()  local
690 	list_for_each_entry(ce, &ocs->entries, node) {  in __of_changeset_apply_entries()
691 		ret = __of_changeset_entry_apply(ce);  in __of_changeset_apply_entries()
694 			list_for_each_entry_continue_reverse(ce, &ocs->entries,  in __of_changeset_apply_entries()
696 				ret_tmp = __of_changeset_entry_revert(ce);  in __of_changeset_apply_entries()
715 	struct of_changeset_entry *ce;  in __of_changeset_apply_notify()  local
722 	list_for_each_entry(ce, &ocs->entries, node) {  in __of_changeset_apply_notify()
723 		ret_tmp = __of_changeset_entry_notify(ce, 0);  in __of_changeset_apply_notify()
790 	struct of_changeset_entry *ce;  in __of_changeset_revert_entries()  local
794 	list_for_each_entry_reverse(ce, &ocs->entries, node) {  in __of_changeset_revert_entries()
795 		ret = __of_changeset_entry_revert(ce);  in __of_changeset_revert_entries()
798 			list_for_each_entry_continue(ce, &ocs->entries, node) {  in __of_changeset_revert_entries()
799 				ret_tmp = __of_changeset_entry_apply(ce);  in __of_changeset_revert_entries()
816 	struct of_changeset_entry *ce;  in __of_changeset_revert_notify()  local
823 	list_for_each_entry_reverse(ce, &ocs->entries, node) {  in __of_changeset_revert_notify()
824 		ret_tmp = __of_changeset_entry_notify(ce, 1);  in __of_changeset_revert_notify()
891 	struct of_changeset_entry *ce;  in of_changeset_action()  local
896 	ce = kzalloc(sizeof(*ce), GFP_KERNEL);  in of_changeset_action()
897 	if (!ce)  in of_changeset_action()
901 	ce->action = action;  in of_changeset_action()
902 	ce->np = of_node_get(np);  in of_changeset_action()
903 	ce->prop = prop;  in of_changeset_action()
906 	list_add_tail(&ce->node, &ocs->entries);  in of_changeset_action()