459 static void __of_changeset_entry_destroy(struct of_changeset_entry *ce)  in __of_changeset_entry_destroy()  argument
461 	if (ce->action == OF_RECONFIG_ATTACH_NODE &&  in __of_changeset_entry_destroy()
462 	    of_node_check_flag(ce->np, OF_OVERLAY)) {  in __of_changeset_entry_destroy()
463 		if (kref_read(&ce->np->kobj.kref) > 1) {  in __of_changeset_entry_destroy()
465 			       kref_read(&ce->np->kobj.kref), ce->np);  in __of_changeset_entry_destroy()
467 			of_node_set_flag(ce->np, OF_OVERLAY_FREE_CSET);  in __of_changeset_entry_destroy()
471 	of_node_put(ce->np);  in __of_changeset_entry_destroy()
472 	list_del(&ce->node);  in __of_changeset_entry_destroy()
473 	kfree(ce);  in __of_changeset_entry_destroy()
477 static void __of_changeset_entry_dump(struct of_changeset_entry *ce)  in __of_changeset_entry_dump()  argument
479 	switch (ce->action) {  in __of_changeset_entry_dump()
483 		pr_debug("cset<%p> %-15s %pOF/%s\n", ce, action_names[ce->action],  in __of_changeset_entry_dump()
484 			ce->np, ce->prop->name);  in __of_changeset_entry_dump()
488 		pr_debug("cset<%p> %-15s %pOF\n", ce, action_names[ce->action],  in __of_changeset_entry_dump()
489 			ce->np);  in __of_changeset_entry_dump()
494 static inline void __of_changeset_entry_dump(struct of_changeset_entry *ce)  in __of_changeset_entry_dump()  argument
500 static void __of_changeset_entry_invert(struct of_changeset_entry *ce,  in __of_changeset_entry_invert()  argument
503 	memcpy(rce, ce, sizeof(*rce));  in __of_changeset_entry_invert()
505 	switch (ce->action) {  in __of_changeset_entry_invert()
519 		rce->old_prop = ce->prop;  in __of_changeset_entry_invert()
520 		rce->prop = ce->old_prop;  in __of_changeset_entry_invert()
524 			rce->prop = ce->prop;  in __of_changeset_entry_invert()
530 static int __of_changeset_entry_notify(struct of_changeset_entry *ce,  in __of_changeset_entry_notify()  argument
538 		__of_changeset_entry_invert(ce, &ce_inverted);  in __of_changeset_entry_notify()
539 		ce = &ce_inverted;  in __of_changeset_entry_notify()
542 	switch (ce->action) {  in __of_changeset_entry_notify()
546 		rd.dn = ce->np;  in __of_changeset_entry_notify()
547 		ret = of_reconfig_notify(ce->action, &rd);  in __of_changeset_entry_notify()
552 		ret = of_property_notify(ce->action, ce->np, ce->prop, ce->old_prop);  in __of_changeset_entry_notify()
556 			(int)ce->action);  in __of_changeset_entry_notify()
561 		pr_err("changeset notifier error @%pOF\n", ce->np);  in __of_changeset_entry_notify()
565 static int __of_changeset_entry_apply(struct of_changeset_entry *ce)  in __of_changeset_entry_apply()  argument
571 	__of_changeset_entry_dump(ce);  in __of_changeset_entry_apply()
574 	switch (ce->action) {  in __of_changeset_entry_apply()
576 		__of_attach_node(ce->np);  in __of_changeset_entry_apply()
579 		__of_detach_node(ce->np);  in __of_changeset_entry_apply()
583 		for (propp = &ce->np->deadprops; *propp; propp = &(*propp)->next) {  in __of_changeset_entry_apply()
584 			if (*propp == ce->prop) {  in __of_changeset_entry_apply()
585 				*propp = ce->prop->next;  in __of_changeset_entry_apply()
586 				ce->prop->next = NULL;  in __of_changeset_entry_apply()
591 		ret = __of_add_property(ce->np, ce->prop);  in __of_changeset_entry_apply()
594 				ce->np,  in __of_changeset_entry_apply()
595 				ce->prop->name);  in __of_changeset_entry_apply()
600 		ret = __of_remove_property(ce->np, ce->prop);  in __of_changeset_entry_apply()
603 				ce->np,  in __of_changeset_entry_apply()
604 				ce->prop->name);  in __of_changeset_entry_apply()
611 		for (propp = &ce->np->deadprops; *propp; propp = &(*propp)->next) {  in __of_changeset_entry_apply()
612 			if (*propp == ce->prop) {  in __of_changeset_entry_apply()
613 				*propp = ce->prop->next;  in __of_changeset_entry_apply()
614 				ce->prop->next = NULL;  in __of_changeset_entry_apply()
619 		ret = __of_update_property(ce->np, ce->prop, &old_prop);  in __of_changeset_entry_apply()
622 				ce->np,  in __of_changeset_entry_apply()
623 				ce->prop->name);  in __of_changeset_entry_apply()
635 	switch (ce->action) {  in __of_changeset_entry_apply()
637 		__of_attach_node_sysfs(ce->np);  in __of_changeset_entry_apply()
640 		__of_detach_node_sysfs(ce->np);  in __of_changeset_entry_apply()
644 		__of_add_property_sysfs(ce->np, ce->prop);  in __of_changeset_entry_apply()
647 		__of_remove_property_sysfs(ce->np, ce->prop);  in __of_changeset_entry_apply()
650 		__of_update_property_sysfs(ce->np, ce->prop, ce->old_prop);  in __of_changeset_entry_apply()
657 static inline int __of_changeset_entry_revert(struct of_changeset_entry *ce)  in __of_changeset_entry_revert()  argument
661 	__of_changeset_entry_invert(ce, &ce_inverted);  in __of_changeset_entry_revert()
689 	struct of_changeset_entry *ce, *cen;  in of_changeset_destroy()  local
691 	list_for_each_entry_safe_reverse(ce, cen, &ocs->entries, node)  in of_changeset_destroy()
692 		__of_changeset_entry_destroy(ce);  in of_changeset_destroy()
708 	struct of_changeset_entry *ce;  in __of_changeset_apply_entries()  local
712 	list_for_each_entry(ce, &ocs->entries, node) {  in __of_changeset_apply_entries()
713 		ret = __of_changeset_entry_apply(ce);  in __of_changeset_apply_entries()
716 			list_for_each_entry_continue_reverse(ce, &ocs->entries,  in __of_changeset_apply_entries()
718 				ret_tmp = __of_changeset_entry_revert(ce);  in __of_changeset_apply_entries()
737 	struct of_changeset_entry *ce;  in __of_changeset_apply_notify()  local
744 	list_for_each_entry(ce, &ocs->entries, node) {  in __of_changeset_apply_notify()
745 		ret_tmp = __of_changeset_entry_notify(ce, 0);  in __of_changeset_apply_notify()
811 	struct of_changeset_entry *ce;  in __of_changeset_revert_entries()  local
815 	list_for_each_entry_reverse(ce, &ocs->entries, node) {  in __of_changeset_revert_entries()
816 		ret = __of_changeset_entry_revert(ce);  in __of_changeset_revert_entries()
819 			list_for_each_entry_continue(ce, &ocs->entries, node) {  in __of_changeset_revert_entries()
820 				ret_tmp = __of_changeset_entry_apply(ce);  in __of_changeset_revert_entries()
837 	struct of_changeset_entry *ce;  in __of_changeset_revert_notify()  local
844 	list_for_each_entry_reverse(ce, &ocs->entries, node) {  in __of_changeset_revert_notify()
845 		ret_tmp = __of_changeset_entry_notify(ce, 1);  in __of_changeset_revert_notify()
910 	struct of_changeset_entry *ce;  in of_changeset_action()  local
912 	ce = kzalloc(sizeof(*ce), GFP_KERNEL);  in of_changeset_action()
913 	if (!ce)  in of_changeset_action()
917 	ce->action = action;  in of_changeset_action()
918 	ce->np = of_node_get(np);  in of_changeset_action()
919 	ce->prop = prop;  in of_changeset_action()
922 		ce->old_prop = of_find_property(np, prop->name, NULL);  in of_changeset_action()
925 	list_add_tail(&ce->node, &ocs->entries);  in of_changeset_action()