417 static void mxs_auart_set_mctrl(struct uart_port *u, unsigned mctrl)  in mxs_auart_set_mctrl()  argument
424 	if (mctrl & TIOCM_RTS) {  in mxs_auart_set_mctrl()
433 	mctrl_gpio_set(s->gpios, mctrl);  in mxs_auart_set_mctrl()
437 static u32 mxs_auart_modem_status(struct mxs_auart_port *s, u32 mctrl)  in mxs_auart_modem_status()  argument
441 	mctrl_diff = mctrl ^ s->mctrl_prev;  in mxs_auart_modem_status()
442 	s->mctrl_prev = mctrl;  in mxs_auart_modem_status()
450 			uart_handle_dcd_change(&s->port, mctrl & TIOCM_CD);  in mxs_auart_modem_status()
452 			uart_handle_cts_change(&s->port, mctrl & TIOCM_CTS);  in mxs_auart_modem_status()
456 	return mctrl;  in mxs_auart_modem_status()
463 	u32 mctrl = 0;  in mxs_auart_get_mctrl()  local
466 		mctrl |= TIOCM_CTS;  in mxs_auart_get_mctrl()
468 	return mctrl_gpio_get(s->gpios, &mctrl);  in mxs_auart_get_mctrl()