* When no card , the reader respond with TIOCM_CD
* This is known as CD autodetect mechanism
*/
-static int iuu_tiocmget(struct tty_struct *tty, struct file *file)
+static int iuu_tiocmget(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
struct iuu_private *priv = usb_get_serial_port_data(port);