321 	struct sys_off_handler *handler;  in sys_off_notify()  local
324 	handler = container_of(nb, struct sys_off_handler, nb);  in sys_off_notify()
325 	data.cb_data = handler->cb_data;  in sys_off_notify()
329 	return handler->sys_off_cb(&data);  in sys_off_notify()
336 	struct sys_off_handler *handler;  in alloc_sys_off_handler()  local
344 		handler = &platform_sys_off_handler;  in alloc_sys_off_handler()
345 		if (handler->cb_data)  in alloc_sys_off_handler()
353 		handler = kzalloc(sizeof(*handler), flags);  in alloc_sys_off_handler()
354 		if (!handler)  in alloc_sys_off_handler()
358 	return handler;  in alloc_sys_off_handler()
361 static void free_sys_off_handler(struct sys_off_handler *handler)  in free_sys_off_handler()  argument
363 	if (handler == &platform_sys_off_handler)  in free_sys_off_handler()
364 		memset(handler, 0, sizeof(*handler));  in free_sys_off_handler()
366 		kfree(handler);  in free_sys_off_handler()
396 	struct sys_off_handler *handler;  in register_sys_off_handler()  local
399 	handler = alloc_sys_off_handler(priority);  in register_sys_off_handler()
400 	if (IS_ERR(handler))  in register_sys_off_handler()
401 		return handler;  in register_sys_off_handler()
405 		handler->list = &power_off_prep_handler_list;  in register_sys_off_handler()
406 		handler->blocking = true;  in register_sys_off_handler()
410 		handler->list = &power_off_handler_list;  in register_sys_off_handler()
414 		handler->list = &restart_prep_handler_list;  in register_sys_off_handler()
415 		handler->blocking = true;  in register_sys_off_handler()
419 		handler->list = &restart_handler_list;  in register_sys_off_handler()
423 		free_sys_off_handler(handler);  in register_sys_off_handler()
427 	handler->nb.notifier_call = sys_off_notify;  in register_sys_off_handler()
428 	handler->nb.priority = priority;  in register_sys_off_handler()
429 	handler->sys_off_cb = callback;  in register_sys_off_handler()
430 	handler->cb_data = cb_data;  in register_sys_off_handler()
431 	handler->mode = mode;  in register_sys_off_handler()
433 	if (handler->blocking) {  in register_sys_off_handler()
435 			err = blocking_notifier_chain_register(handler->list,  in register_sys_off_handler()
436 							       &handler->nb);  in register_sys_off_handler()
438 			err = blocking_notifier_chain_register_unique_prio(handler->list,  in register_sys_off_handler()
439 									   &handler->nb);  in register_sys_off_handler()
442 			err = atomic_notifier_chain_register(handler->list,  in register_sys_off_handler()
443 							     &handler->nb);  in register_sys_off_handler()
445 			err = atomic_notifier_chain_register_unique_prio(handler->list,  in register_sys_off_handler()
446 									 &handler->nb);  in register_sys_off_handler()
450 		free_sys_off_handler(handler);  in register_sys_off_handler()
454 	return handler;  in register_sys_off_handler()
464 void unregister_sys_off_handler(struct sys_off_handler *handler)  in unregister_sys_off_handler()  argument
468 	if (IS_ERR_OR_NULL(handler))  in unregister_sys_off_handler()
471 	if (handler->blocking)  in unregister_sys_off_handler()
472 		err = blocking_notifier_chain_unregister(handler->list,  in unregister_sys_off_handler()
473 							 &handler->nb);  in unregister_sys_off_handler()
475 		err = atomic_notifier_chain_unregister(handler->list,  in unregister_sys_off_handler()
476 						       &handler->nb);  in unregister_sys_off_handler()
481 	free_sys_off_handler(handler);  in unregister_sys_off_handler()
487 	struct sys_off_handler *handler = data;  in devm_unregister_sys_off_handler()  local
489 	unregister_sys_off_handler(handler);  in devm_unregister_sys_off_handler()
510 	struct sys_off_handler *handler;  in devm_register_sys_off_handler()  local
512 	handler = register_sys_off_handler(mode, priority, callback, cb_data);  in devm_register_sys_off_handler()
513 	if (IS_ERR(handler))  in devm_register_sys_off_handler()
514 		return PTR_ERR(handler);  in devm_register_sys_off_handler()
517 					handler);  in devm_register_sys_off_handler()
589 	struct sys_off_handler *handler;  in register_platform_power_off()  local
591 	handler = register_sys_off_handler(SYS_OFF_MODE_POWER_OFF,  in register_platform_power_off()
595 	if (IS_ERR(handler))  in register_platform_power_off()
596 		return PTR_ERR(handler);  in register_platform_power_off()
598 	platform_power_off_handler = handler;  in register_platform_power_off()