247 	set_bit(TTY_DO_WRITE_WAKEUP, &sl->tty->flags);  in x25_asy_encaps()
248 	actual = sl->tty->ops->write(sl->tty, sl->xbuff, count);  in x25_asy_encaps()
259 static void x25_asy_write_wakeup(struct tty_struct *tty)  in x25_asy_write_wakeup()  argument
262 	struct x25_asy *sl = tty->disc_data;  in x25_asy_write_wakeup()
272 		clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);  in x25_asy_write_wakeup()
277 	actual = tty->ops->write(tty, sl->xhead, sl->xleft);  in x25_asy_write_wakeup()
292 			    (tty_chars_in_buffer(sl->tty) || sl->xleft) ?  in x25_asy_timeout()
295 		clear_bit(TTY_DO_WRITE_WAKEUP, &sl->tty->flags);  in x25_asy_timeout()
381 	if (netif_queue_stopped(sl->dev) || sl->tty == NULL) {  in x25_asy_data_transmit()
456 	if (sl->tty == NULL)  in x25_asy_open()
504 	if (sl->tty)  in x25_asy_close()
505 		clear_bit(TTY_DO_WRITE_WAKEUP, &sl->tty->flags);  in x25_asy_close()
521 static void x25_asy_receive_buf(struct tty_struct *tty,  in x25_asy_receive_buf()  argument
524 	struct x25_asy *sl = tty->disc_data;  in x25_asy_receive_buf()
550 static int x25_asy_open_tty(struct tty_struct *tty)  in x25_asy_open_tty()  argument
552 	struct x25_asy *sl = tty->disc_data;  in x25_asy_open_tty()
555 	if (tty->ops->write == NULL)  in x25_asy_open_tty()
567 	sl->tty = tty;  in x25_asy_open_tty()
568 	tty->disc_data = sl;  in x25_asy_open_tty()
569 	tty->receive_room = 65536;  in x25_asy_open_tty()
570 	tty_driver_flush_buffer(tty);  in x25_asy_open_tty()
571 	tty_ldisc_flush(tty);  in x25_asy_open_tty()
591 static void x25_asy_close_tty(struct tty_struct *tty)  in x25_asy_close_tty()  argument
593 	struct x25_asy *sl = tty->disc_data;  in x25_asy_close_tty()
610 	tty->disc_data = NULL;  in x25_asy_close_tty()
611 	sl->tty = NULL;  in x25_asy_close_tty()
688 static int x25_asy_ioctl(struct tty_struct *tty, struct file *file,  in x25_asy_ioctl()  argument
691 	struct x25_asy *sl = tty->disc_data;  in x25_asy_ioctl()
706 		return tty_mode_ioctl(tty, file, cmd, arg);  in x25_asy_ioctl()
711 static long x25_asy_compat_ioctl(struct tty_struct *tty, struct file *file,  in x25_asy_compat_ioctl()  argument
717 		return x25_asy_ioctl(tty, file, cmd,  in x25_asy_compat_ioctl()
728 	if (sl->tty == NULL)  in x25_asy_open_dev()
809 			if (sl->tty)  in exit_x25_asy()
810 				tty_hangup(sl->tty);  in exit_x25_asy()