tty = tty_port_tty_get(&ATEN2011_port->port->port);
 
-       if (tty && ATEN2011_port->open) {
+       if (tty && ATEN2011_port->open)
                /* tell the tty driver that something has changed */
-               wake_up_interruptible(&tty->write_wait);
-       }
+               tty_wakeup(tty);
 
        /* schedule_work(&ATEN2011_port->port->work); */
        tty_kref_put(tty);
        status = 0;
        status = set_reg_sync(port, ATEN2011_port->ControlRegOffset, Data);
 
-       /* force low_latency on so that our tty_push actually forces *
-        * the data through,otherwise it is scheduled, and with      *
-        * high data rates (like with OHCI) data can get lost.       */
-
-       if (tty)
-               tty->low_latency = 1;
        /*
         * Check to see if we've set up our endpoint info yet
         * (can't set it up in ATEN2011_startup as the structures
 
        cflag = tty->termios->c_cflag;
 
-       if (!cflag) {
-               dbg("%s %s", __func__, "cflag is NULL");
-               return;
-       }
-
-       /* check that they really want us to change something */
-       if (old_termios) {
-               if ((cflag == old_termios->c_cflag) &&
-                   (RELEVANT_IFLAG(tty->termios->c_iflag) ==
-                    RELEVANT_IFLAG(old_termios->c_iflag))) {
-                       dbg("%s", "Nothing to change");
-                       return;
-               }
-       }
-
-       dbg("%s - clfag %08x iflag %08x", __func__,
+       dbg("%s - cflag %08x iflag %08x", __func__,
            tty->termios->c_cflag, RELEVANT_IFLAG(tty->termios->c_iflag));
 
        if (old_termios) {