18 static struct tty_struct *speakup_tty;  variable
50 	if (tty != speakup_tty)  in spk_ttyio_ldisc_open()
71 	kfree(speakup_tty->disc_data);  in spk_ttyio_ldisc_close()
72 	speakup_tty = NULL;  in spk_ttyio_ldisc_close()
188 	speakup_tty = tty;  in spk_ttyio_initialise_ldisc()
191 		speakup_tty = NULL;  in spk_ttyio_initialise_ldisc()
225 	if (in_synth->alive && speakup_tty && speakup_tty->ops->write) {  in spk_ttyio_out()
226 		int ret = speakup_tty->ops->write(speakup_tty, &ch, 1);  in spk_ttyio_out()
287 	if (check_tty(speakup_tty)) {  in spk_ttyio_send_xchar()
292 	if (speakup_tty->ops->send_xchar)  in spk_ttyio_send_xchar()
293 		speakup_tty->ops->send_xchar(speakup_tty, ch);  in spk_ttyio_send_xchar()
300 	if (check_tty(speakup_tty)) {  in spk_ttyio_tiocmset()
305 	if (speakup_tty->ops->tiocmset)  in spk_ttyio_tiocmset()
306 		speakup_tty->ops->tiocmset(speakup_tty, set, clear);  in spk_ttyio_tiocmset()
317 	struct spk_ldisc_data *ldisc_data = speakup_tty->disc_data;  in ttyio_in()
337 	tty_flip_buffer_push(speakup_tty->port);  in ttyio_in()
357 	if (check_tty(speakup_tty)) {  in spk_ttyio_flush_buffer()
362 	if (speakup_tty->ops->flush_buffer)  in spk_ttyio_flush_buffer()
363 		speakup_tty->ops->flush_buffer(speakup_tty);  in spk_ttyio_flush_buffer()
384 	if (!speakup_tty)  in spk_ttyio_release()
387 	tty_lock(speakup_tty);  in spk_ttyio_release()
389 	if (speakup_tty->ops->close)  in spk_ttyio_release()
390 		speakup_tty->ops->close(speakup_tty, NULL);  in spk_ttyio_release()
392 	tty_ldisc_flush(speakup_tty);  in spk_ttyio_release()
393 	tty_unlock(speakup_tty);  in spk_ttyio_release()
394 	tty_kclose(speakup_tty);  in spk_ttyio_release()
405 		if (tty_write_room(speakup_tty) < 1 ||  in spk_ttyio_synth_immediate()