return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
struct imx_port *sport = (struct imx_port *)port; unsigned int tmp = TIOCM_DSR | TIOCM_CAR;  if (USR1((u32)sport->port.membase) & USR1_RTSS) tmp |= TIOCM_CTS;  if (UCR2((u32)sport->port.membase) & UCR2_CTS) tmp |= TIOCM_RTS;  return tmp;
static unsigned int imx_get_mctrl(struct uart_port *port){	return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;}