serial8250_em485_handle_stop_tx  576 drivers/tty/serial/8250/8250_port.c static enum hrtimer_restart serial8250_em485_handle_stop_tx(struct hrtimer *t);
serial8250_em485_handle_stop_tx  635 drivers/tty/serial/8250/8250_port.c 	p->em485->stop_tx_timer.function = &serial8250_em485_handle_stop_tx;