460 static void __of_changeset_entry_destroy(struct of_changeset_entry *ce)  in __of_changeset_entry_destroy()  argument
462 	if (ce->action == OF_RECONFIG_ATTACH_NODE &&  in __of_changeset_entry_destroy()
463 	    of_node_check_flag(ce->np, OF_OVERLAY)) {  in __of_changeset_entry_destroy()
464 		if (kref_read(&ce->np->kobj.kref) > 1) {  in __of_changeset_entry_destroy()
466 			       kref_read(&ce->np->kobj.kref), ce->np);  in __of_changeset_entry_destroy()
468 			of_node_set_flag(ce->np, OF_OVERLAY_FREE_CSET);  in __of_changeset_entry_destroy()
472 	of_node_put(ce->np);  in __of_changeset_entry_destroy()
473 	list_del(&ce->node);  in __of_changeset_entry_destroy()
474 	kfree(ce);  in __of_changeset_entry_destroy()
478 static void __of_changeset_entry_dump(struct of_changeset_entry *ce)  in __of_changeset_entry_dump()  argument
480 	switch (ce->action) {  in __of_changeset_entry_dump()
484 		pr_debug("cset<%p> %-15s %pOF/%s\n", ce, action_names[ce->action],  in __of_changeset_entry_dump()
485 			ce->np, ce->prop->name);  in __of_changeset_entry_dump()
489 		pr_debug("cset<%p> %-15s %pOF\n", ce, action_names[ce->action],  in __of_changeset_entry_dump()
490 			ce->np);  in __of_changeset_entry_dump()
495 static inline void __of_changeset_entry_dump(struct of_changeset_entry *ce)  in __of_changeset_entry_dump()  argument
501 static void __of_changeset_entry_invert(struct of_changeset_entry *ce,  in __of_changeset_entry_invert()  argument
504 	memcpy(rce, ce, sizeof(*rce));  in __of_changeset_entry_invert()
506 	switch (ce->action) {  in __of_changeset_entry_invert()
520 		rce->old_prop = ce->prop;  in __of_changeset_entry_invert()
521 		rce->prop = ce->old_prop;  in __of_changeset_entry_invert()
525 			rce->prop = ce->prop;  in __of_changeset_entry_invert()
531 static int __of_changeset_entry_notify(struct of_changeset_entry *ce,  in __of_changeset_entry_notify()  argument
539 		__of_changeset_entry_invert(ce, &ce_inverted);  in __of_changeset_entry_notify()
540 		ce = &ce_inverted;  in __of_changeset_entry_notify()
543 	switch (ce->action) {  in __of_changeset_entry_notify()
547 		rd.dn = ce->np;  in __of_changeset_entry_notify()
548 		ret = of_reconfig_notify(ce->action, &rd);  in __of_changeset_entry_notify()
553 		ret = of_property_notify(ce->action, ce->np, ce->prop, ce->old_prop);  in __of_changeset_entry_notify()
557 			(int)ce->action);  in __of_changeset_entry_notify()
562 		pr_err("changeset notifier error @%pOF\n", ce->np);  in __of_changeset_entry_notify()
566 static int __of_changeset_entry_apply(struct of_changeset_entry *ce)  in __of_changeset_entry_apply()  argument
572 	__of_changeset_entry_dump(ce);  in __of_changeset_entry_apply()
575 	switch (ce->action) {  in __of_changeset_entry_apply()
577 		__of_attach_node(ce->np);  in __of_changeset_entry_apply()
580 		__of_detach_node(ce->np);  in __of_changeset_entry_apply()
584 		for (propp = &ce->np->deadprops; *propp; propp = &(*propp)->next) {  in __of_changeset_entry_apply()
585 			if (*propp == ce->prop) {  in __of_changeset_entry_apply()
586 				*propp = ce->prop->next;  in __of_changeset_entry_apply()
587 				ce->prop->next = NULL;  in __of_changeset_entry_apply()
592 		ret = __of_add_property(ce->np, ce->prop);  in __of_changeset_entry_apply()
595 				ce->np,  in __of_changeset_entry_apply()
596 				ce->prop->name);  in __of_changeset_entry_apply()
601 		ret = __of_remove_property(ce->np, ce->prop);  in __of_changeset_entry_apply()
604 				ce->np,  in __of_changeset_entry_apply()
605 				ce->prop->name);  in __of_changeset_entry_apply()
612 		for (propp = &ce->np->deadprops; *propp; propp = &(*propp)->next) {  in __of_changeset_entry_apply()
613 			if (*propp == ce->prop) {  in __of_changeset_entry_apply()
614 				*propp = ce->prop->next;  in __of_changeset_entry_apply()
615 				ce->prop->next = NULL;  in __of_changeset_entry_apply()
620 		ret = __of_update_property(ce->np, ce->prop, &old_prop);  in __of_changeset_entry_apply()
623 				ce->np,  in __of_changeset_entry_apply()
624 				ce->prop->name);  in __of_changeset_entry_apply()
636 	switch (ce->action) {  in __of_changeset_entry_apply()
638 		__of_attach_node_sysfs(ce->np);  in __of_changeset_entry_apply()
641 		__of_detach_node_sysfs(ce->np);  in __of_changeset_entry_apply()
645 		__of_add_property_sysfs(ce->np, ce->prop);  in __of_changeset_entry_apply()
648 		__of_remove_property_sysfs(ce->np, ce->prop);  in __of_changeset_entry_apply()
651 		__of_update_property_sysfs(ce->np, ce->prop, ce->old_prop);  in __of_changeset_entry_apply()
658 static inline int __of_changeset_entry_revert(struct of_changeset_entry *ce)  in __of_changeset_entry_revert()  argument
662 	__of_changeset_entry_invert(ce, &ce_inverted);  in __of_changeset_entry_revert()
690 	struct of_changeset_entry *ce, *cen;  in of_changeset_destroy()  local
692 	list_for_each_entry_safe_reverse(ce, cen, &ocs->entries, node)  in of_changeset_destroy()
693 		__of_changeset_entry_destroy(ce);  in of_changeset_destroy()
709 	struct of_changeset_entry *ce;  in __of_changeset_apply_entries()  local
713 	list_for_each_entry(ce, &ocs->entries, node) {  in __of_changeset_apply_entries()
714 		ret = __of_changeset_entry_apply(ce);  in __of_changeset_apply_entries()
717 			list_for_each_entry_continue_reverse(ce, &ocs->entries,  in __of_changeset_apply_entries()
719 				ret_tmp = __of_changeset_entry_revert(ce);  in __of_changeset_apply_entries()
738 	struct of_changeset_entry *ce;  in __of_changeset_apply_notify()  local
745 	list_for_each_entry(ce, &ocs->entries, node) {  in __of_changeset_apply_notify()
746 		ret_tmp = __of_changeset_entry_notify(ce, 0);  in __of_changeset_apply_notify()
812 	struct of_changeset_entry *ce;  in __of_changeset_revert_entries()  local
816 	list_for_each_entry_reverse(ce, &ocs->entries, node) {  in __of_changeset_revert_entries()
817 		ret = __of_changeset_entry_revert(ce);  in __of_changeset_revert_entries()
820 			list_for_each_entry_continue(ce, &ocs->entries, node) {  in __of_changeset_revert_entries()
821 				ret_tmp = __of_changeset_entry_apply(ce);  in __of_changeset_revert_entries()
838 	struct of_changeset_entry *ce;  in __of_changeset_revert_notify()  local
845 	list_for_each_entry_reverse(ce, &ocs->entries, node) {  in __of_changeset_revert_notify()
846 		ret_tmp = __of_changeset_entry_notify(ce, 1);  in __of_changeset_revert_notify()
911 	struct of_changeset_entry *ce;  in of_changeset_action()  local
913 	ce = kzalloc(sizeof(*ce), GFP_KERNEL);  in of_changeset_action()
914 	if (!ce)  in of_changeset_action()
918 	ce->action = action;  in of_changeset_action()
919 	ce->np = of_node_get(np);  in of_changeset_action()
920 	ce->prop = prop;  in of_changeset_action()
923 		ce->old_prop = of_find_property(np, prop->name, NULL);  in of_changeset_action()
926 	list_add_tail(&ce->node, &ocs->entries);  in of_changeset_action()