USB: serial: xr: use termios flag helpers

Use the termios flag helpers consistently, including for CRTSCTS.

Signed-off-by: Johan Hovold <johan@kernel.org>

diff --git a/drivers/usb/serial/xr_serial.c b/drivers/usb/serial/xr_serial.c
index 8f81f86..52909dc 100644 (file)
--- a/drivers/usb/serial/xr_serial.c
+++ b/drivers/usb/serial/xr_serial.c
@@ -401,7 +401,6 @@ static int xr_set_baudrate(struct tty_struct *tty,
 static void xr_set_flow_mode(struct tty_struct *tty,
                             struct usb_serial_port *port)
 {
-       unsigned int cflag = tty->termios.c_cflag;
        u8 flow, gpio_mode;
        int ret;
 
@@ -409,7 +408,7 @@ static void xr_set_flow_mode(struct tty_struct *tty,
        if (ret)
                return;
 
-       if (cflag & CRTSCTS) {
+       if (C_CRTSCTS(tty)) {
                dev_dbg(&port->dev, "Enabling hardware flow ctrl\n");
 
                /*