/* Called by the upper tty layer when tty buffers are ready to receive data again after a call to throttle.  */
static void ntty_unthrottle(struct tty_struct *tty)
/* Called by the upper tty layer when tty buffers are ready to receive data again after a call to throttle.  */
static void ntty_unthrottle(struct tty_struct *tty)
{
	struct nozomi *dc = get_dc_by_tty(tty);
	unsigned long flags;
	DBG1("UNTHROTTLE");
	spin_lock_irqsave(&dc->spin_mutex, flags);
	enable_transmit_dl(tty->index % MAX_PORT, dc);
	set_rts(tty, 1);
	spin_unlock_irqrestore(&dc->spin_mutex, flags);
}