#define BT_IGNITIONPRO_ID      0x2000
 
 /* function prototypes */
-static int  omninet_open(struct tty_struct *tty, struct usb_serial_port *port);
 static void omninet_process_read_urb(struct urb *urb);
 static void omninet_write_bulk_callback(struct urb *urb);
 static int  omninet_write(struct tty_struct *tty, struct usb_serial_port *port,
        .attach =               omninet_attach,
        .port_probe =           omninet_port_probe,
        .port_remove =          omninet_port_remove,
-       .open =                 omninet_open,
        .write =                omninet_write,
        .write_room =           omninet_write_room,
        .write_bulk_callback =  omninet_write_bulk_callback,
        return 0;
 }
 
-static int omninet_open(struct tty_struct *tty, struct usb_serial_port *port)
-{
-       return usb_serial_generic_open(tty, port);
-}
-
 #define OMNINET_HEADERLEN      4
 #define OMNINET_BULKOUTSIZE    64
 #define OMNINET_PAYLOADSIZE    (OMNINET_BULKOUTSIZE - OMNINET_HEADERLEN)