static void mct_u232_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old);
static void mct_u232_break_ctl(struct tty_struct *tty, int break_state);
-static int mct_u232_tiocmget(struct tty_struct *tty, struct file *file);
+static int mct_u232_tiocmget(struct tty_struct *tty);
static int mct_u232_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear);
static void mct_u232_throttle(struct tty_struct *tty);
} /* mct_u232_break_ctl */
-static int mct_u232_tiocmget(struct tty_struct *tty, struct file *file)
+static int mct_u232_tiocmget(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
struct mct_u232_private *priv = usb_get_serial_port_data(port);