464 static void __of_changeset_entry_destroy(struct of_changeset_entry *ce)  in __of_changeset_entry_destroy()  argument
466 	if (ce->action == OF_RECONFIG_ATTACH_NODE &&  in __of_changeset_entry_destroy()
467 	    of_node_check_flag(ce->np, OF_OVERLAY)) {  in __of_changeset_entry_destroy()
468 		if (kref_read(&ce->np->kobj.kref) > 1) {  in __of_changeset_entry_destroy()
470 			       kref_read(&ce->np->kobj.kref), ce->np);  in __of_changeset_entry_destroy()
472 			of_node_set_flag(ce->np, OF_OVERLAY_FREE_CSET);  in __of_changeset_entry_destroy()
476 	of_node_put(ce->np);  in __of_changeset_entry_destroy()
477 	list_del(&ce->node);  in __of_changeset_entry_destroy()
478 	kfree(ce);  in __of_changeset_entry_destroy()
482 static void __of_changeset_entry_dump(struct of_changeset_entry *ce)  in __of_changeset_entry_dump()  argument
484 	switch (ce->action) {  in __of_changeset_entry_dump()
488 		pr_debug("cset<%p> %-15s %pOF/%s\n", ce, action_names[ce->action],  in __of_changeset_entry_dump()
489 			ce->np, ce->prop->name);  in __of_changeset_entry_dump()
493 		pr_debug("cset<%p> %-15s %pOF\n", ce, action_names[ce->action],  in __of_changeset_entry_dump()
494 			ce->np);  in __of_changeset_entry_dump()
499 static inline void __of_changeset_entry_dump(struct of_changeset_entry *ce)  in __of_changeset_entry_dump()  argument
505 static void __of_changeset_entry_invert(struct of_changeset_entry *ce,  in __of_changeset_entry_invert()  argument
508 	memcpy(rce, ce, sizeof(*rce));  in __of_changeset_entry_invert()
510 	switch (ce->action) {  in __of_changeset_entry_invert()
524 		rce->old_prop = ce->prop;  in __of_changeset_entry_invert()
525 		rce->prop = ce->old_prop;  in __of_changeset_entry_invert()
529 			rce->prop = ce->prop;  in __of_changeset_entry_invert()
535 static int __of_changeset_entry_notify(struct of_changeset_entry *ce,  in __of_changeset_entry_notify()  argument
543 		__of_changeset_entry_invert(ce, &ce_inverted);  in __of_changeset_entry_notify()
544 		ce = &ce_inverted;  in __of_changeset_entry_notify()
547 	switch (ce->action) {  in __of_changeset_entry_notify()
551 		rd.dn = ce->np;  in __of_changeset_entry_notify()
552 		ret = of_reconfig_notify(ce->action, &rd);  in __of_changeset_entry_notify()
557 		ret = of_property_notify(ce->action, ce->np, ce->prop, ce->old_prop);  in __of_changeset_entry_notify()
561 			(int)ce->action);  in __of_changeset_entry_notify()
566 		pr_err("changeset notifier error @%pOF\n", ce->np);  in __of_changeset_entry_notify()
570 static int __of_changeset_entry_apply(struct of_changeset_entry *ce)  in __of_changeset_entry_apply()  argument
576 	__of_changeset_entry_dump(ce);  in __of_changeset_entry_apply()
579 	switch (ce->action) {  in __of_changeset_entry_apply()
581 		__of_attach_node(ce->np);  in __of_changeset_entry_apply()
584 		__of_detach_node(ce->np);  in __of_changeset_entry_apply()
588 		for (propp = &ce->np->deadprops; *propp; propp = &(*propp)->next) {  in __of_changeset_entry_apply()
589 			if (*propp == ce->prop) {  in __of_changeset_entry_apply()
590 				*propp = ce->prop->next;  in __of_changeset_entry_apply()
591 				ce->prop->next = NULL;  in __of_changeset_entry_apply()
596 		ret = __of_add_property(ce->np, ce->prop);  in __of_changeset_entry_apply()
599 				ce->np,  in __of_changeset_entry_apply()
600 				ce->prop->name);  in __of_changeset_entry_apply()
605 		ret = __of_remove_property(ce->np, ce->prop);  in __of_changeset_entry_apply()
608 				ce->np,  in __of_changeset_entry_apply()
609 				ce->prop->name);  in __of_changeset_entry_apply()
616 		for (propp = &ce->np->deadprops; *propp; propp = &(*propp)->next) {  in __of_changeset_entry_apply()
617 			if (*propp == ce->prop) {  in __of_changeset_entry_apply()
618 				*propp = ce->prop->next;  in __of_changeset_entry_apply()
619 				ce->prop->next = NULL;  in __of_changeset_entry_apply()
624 		ret = __of_update_property(ce->np, ce->prop, &old_prop);  in __of_changeset_entry_apply()
627 				ce->np,  in __of_changeset_entry_apply()
628 				ce->prop->name);  in __of_changeset_entry_apply()
640 	switch (ce->action) {  in __of_changeset_entry_apply()
642 		__of_attach_node_sysfs(ce->np);  in __of_changeset_entry_apply()
645 		__of_detach_node_sysfs(ce->np);  in __of_changeset_entry_apply()
649 		__of_add_property_sysfs(ce->np, ce->prop);  in __of_changeset_entry_apply()
652 		__of_remove_property_sysfs(ce->np, ce->prop);  in __of_changeset_entry_apply()
655 		__of_update_property_sysfs(ce->np, ce->prop, ce->old_prop);  in __of_changeset_entry_apply()
662 static inline int __of_changeset_entry_revert(struct of_changeset_entry *ce)  in __of_changeset_entry_revert()  argument
666 	__of_changeset_entry_invert(ce, &ce_inverted);  in __of_changeset_entry_revert()
694 	struct of_changeset_entry *ce, *cen;  in of_changeset_destroy()  local
696 	list_for_each_entry_safe_reverse(ce, cen, &ocs->entries, node)  in of_changeset_destroy()
697 		__of_changeset_entry_destroy(ce);  in of_changeset_destroy()
713 	struct of_changeset_entry *ce;  in __of_changeset_apply_entries()  local
717 	list_for_each_entry(ce, &ocs->entries, node) {  in __of_changeset_apply_entries()
718 		ret = __of_changeset_entry_apply(ce);  in __of_changeset_apply_entries()
721 			list_for_each_entry_continue_reverse(ce, &ocs->entries,  in __of_changeset_apply_entries()
723 				ret_tmp = __of_changeset_entry_revert(ce);  in __of_changeset_apply_entries()
742 	struct of_changeset_entry *ce;  in __of_changeset_apply_notify()  local
749 	list_for_each_entry(ce, &ocs->entries, node) {  in __of_changeset_apply_notify()
750 		ret_tmp = __of_changeset_entry_notify(ce, 0);  in __of_changeset_apply_notify()
817 	struct of_changeset_entry *ce;  in __of_changeset_revert_entries()  local
821 	list_for_each_entry_reverse(ce, &ocs->entries, node) {  in __of_changeset_revert_entries()
822 		ret = __of_changeset_entry_revert(ce);  in __of_changeset_revert_entries()
825 			list_for_each_entry_continue(ce, &ocs->entries, node) {  in __of_changeset_revert_entries()
826 				ret_tmp = __of_changeset_entry_apply(ce);  in __of_changeset_revert_entries()
843 	struct of_changeset_entry *ce;  in __of_changeset_revert_notify()  local
850 	list_for_each_entry_reverse(ce, &ocs->entries, node) {  in __of_changeset_revert_notify()
851 		ret_tmp = __of_changeset_entry_notify(ce, 1);  in __of_changeset_revert_notify()
918 	struct of_changeset_entry *ce;  in of_changeset_action()  local
920 	ce = kzalloc(sizeof(*ce), GFP_KERNEL);  in of_changeset_action()
921 	if (!ce)  in of_changeset_action()
925 	ce->action = action;  in of_changeset_action()
926 	ce->np = of_node_get(np);  in of_changeset_action()
927 	ce->prop = prop;  in of_changeset_action()
930 		ce->old_prop = of_find_property(np, prop->name, NULL);  in of_changeset_action()
933 	list_add_tail(&ce->node, &ocs->entries);  in of_changeset_action()