62 void gs_put_char(struct tty_struct * tty, unsigned char ch)  in gs_put_char()  argument
69 	if (!tty) return;  in gs_put_char()
71 	port = tty->driver_data;  in gs_put_char()
104 int gs_write(struct tty_struct * tty, int from_user,   in gs_write()  argument
113 	if (!tty) return 0;  in gs_write()
115 	port = tty->driver;  in gs_write()
167 	    !tty->stopped &&   in gs_write()
168 	    !tty->hw_stopped &&  in gs_write()
184 int gs_write(struct tty_struct * tty, int from_user,   in gs_write()  argument
210 	if (!tty) return -EIO;  in gs_write()
212 	port = tty->driver_data;  in gs_write()
298 	    !tty->stopped &&   in gs_write()
299 	    !tty->hw_stopped &&  in gs_write()
312 int gs_write_room(struct tty_struct * tty)  in gs_write_room()  argument
314 	struct gs_port *port = tty->driver_data;  in gs_write_room()
326 int gs_chars_in_buffer(struct tty_struct *tty)  in gs_chars_in_buffer()  argument
328 	struct gs_port *port = tty->driver_data;  in gs_chars_in_buffer()
336 int gs_real_chars_in_buffer(struct tty_struct *tty)  in gs_real_chars_in_buffer()  argument
341 	if (!tty) return 0;  in gs_real_chars_in_buffer()
342 	port = tty->driver_data;  in gs_real_chars_in_buffer()
364 		port->xmit_cnt, port->xmit_buf, port->tty);  in gs_wait_tx_flushed()
373 	rcib = gs_real_chars_in_buffer(port->tty);  in gs_wait_tx_flushed()
392 	while ((charsleft = gs_real_chars_in_buffer (port->tty)) &&  in gs_wait_tx_flushed()
424 void gs_flush_buffer(struct tty_struct *tty)  in gs_flush_buffer()  argument
431 	if (!tty) return;  in gs_flush_buffer()
433 	port = tty->driver_data;  in gs_flush_buffer()
442 	tty_wakeup(tty);  in gs_flush_buffer()
447 void gs_flush_chars(struct tty_struct * tty)  in gs_flush_chars()  argument
453 	if (!tty) return;  in gs_flush_chars()
455 	port = tty->driver_data;  in gs_flush_chars()
459 	if (port->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped ||  in gs_flush_chars()
472 void gs_stop(struct tty_struct * tty)  in gs_stop()  argument
478 	if (!tty) return;  in gs_stop()
480 	port = tty->driver_data;  in gs_stop()
494 void gs_start(struct tty_struct * tty)  in gs_start()  argument
498 	if (!tty) return;  in gs_start()
500 	port = tty->driver_data;  in gs_start()
533 	if (port->tty)  in gs_shutdown_port()
534 		set_bit(TTY_IO_ERROR, &port->tty->flags);  in gs_shutdown_port()
545 void gs_hangup(struct tty_struct *tty)  in gs_hangup()  argument
551 	if (!tty) return;  in gs_hangup()
553 	port = tty->driver_data;  in gs_hangup()
554 	tty = port->tty;  in gs_hangup()
555 	if (!tty)   in gs_hangup()
560 	port->tty = NULL;  in gs_hangup()
571 	struct tty_struct *tty;  in gs_do_softint()  local
577 	tty = port->tty;  in gs_do_softint()
579 	if (!tty) return;  in gs_do_softint()
582 		tty_wakeup(tty);  in gs_do_softint()
595 	struct tty_struct *tty;  in gs_block_til_ready()  local
602 	tty = port->tty;  in gs_block_til_ready()
604 	if (!tty) return 0;  in gs_block_til_ready()
625 	if (tty->driver.subtype == GS_TYPE_CALLOUT) {  in gs_block_til_ready()
647 	    (tty->flags & (1 << TTY_IO_ERROR))) {  in gs_block_til_ready()
660 		if (C_CLOCAL(tty))  in gs_block_til_ready()
722 void gs_close(struct tty_struct * tty, struct file * filp)  in gs_close()  argument
729 	if (!tty) return;  in gs_close()
731 	port = (struct gs_port *) tty->driver_data;  in gs_close()
735 	if (!port->tty) {  in gs_close()
738 		port->tty = tty;  in gs_close()
750 	if ((tty->count == 1) && (port->count != 1)) {  in gs_close()
772 		port->normal_termios = *tty->termios;  in gs_close()
774 		port->callout_termios = *tty->termios;  in gs_close()
779 	tty->closing = 1;  in gs_close()
798 	if (tty->driver.flush_buffer)  in gs_close()
799 		tty->driver.flush_buffer(tty);  in gs_close()
800 	tty_ldisc_flush(tty);  in gs_close()
801 	tty->closing = 0;  in gs_close()
806 	port->tty = 0;  in gs_close()
830 void gs_set_termios (struct tty_struct * tty,   in gs_set_termios()  argument
839 	if (!tty) return;  in gs_set_termios()
841 	port = tty->driver_data;  in gs_set_termios()
845 	tiosp = tty->termios;  in gs_set_termios()
929 		tty->stopped = 0;  in gs_set_termios()
930 		gs_start(tty);  in gs_set_termios()
937 	    (tty->termios->c_cflag & CLOCAL))  in gs_set_termios()
992 	if (port->tty)   in gs_init_port()
993 		clear_bit(TTY_IO_ERROR, &port->tty->flags);  in gs_init_port()
997 	gs_set_termios(port->tty, NULL);  in gs_init_port()
1030 	gs_set_termios (port->tty, NULL);  in gs_setserial()
1074 		do_SAK (port->tty);  in gs_got_break()
1076 	*(port->tty->flip.flag_buf_ptr) = TTY_BREAK;  in gs_got_break()
1077 	port->tty->flip.flag_buf_ptr++;  in gs_got_break()
1078 	port->tty->flip.char_buf_ptr++;  in gs_got_break()
1079 	port->tty->flip.count++;  in gs_got_break()