336 	struct tty_struct *tty;  in rc_receive_exc()  local
344 	tty = port->port.tty;  in rc_receive_exc()
368 			do_SAK(tty);  in rc_receive_exc()
381 	tty_insert_flip_char(tty, ch, flag);  in rc_receive_exc()
382 	tty_flip_buffer_push(tty);  in rc_receive_exc()
388 	struct tty_struct *tty;  in rc_receive()  local
395 	tty = port->port.tty;  in rc_receive()
404 		if (tty_buffer_request_room(tty, 1) == 0)  {  in rc_receive()
410 		tty_insert_flip_char(tty, rc_in(bp, CD180_RDR), TTY_NORMAL);  in rc_receive()
412 	tty_flip_buffer_push(tty);  in rc_receive()
418 	struct tty_struct *tty;  in rc_transmit()  local
425 	tty = port->port.tty;  in rc_transmit()
436 	    || tty->stopped || tty->hw_stopped)  {  in rc_transmit()
482 		tty_wakeup(tty);  in rc_transmit()
488 	struct tty_struct *tty;  in rc_check_modem()  local
495 	tty = port->port.tty;  in rc_check_modem()
502 			tty_hangup(tty);  in rc_check_modem()
508 			tty->hw_stopped = 0;  in rc_check_modem()
511 				tty_wakeup(tty);  in rc_check_modem()
513 			tty->hw_stopped = 1;  in rc_check_modem()
520 			tty->hw_stopped = 0;  in rc_check_modem()
523 				tty_wakeup(tty);  in rc_check_modem()
525 			tty->hw_stopped = 1;  in rc_check_modem()
635 	struct tty_struct *tty = port->port.tty;  in rc_change_speed()  local
645 	baud = tty_get_baud_rate(tty);  in rc_change_speed()
686 	switch (C_CSIZE(tty)) {  in rc_change_speed()
700 	if (C_CSTOPB(tty))  in rc_change_speed()
704 	if (C_PARENB(tty)) {  in rc_change_speed()
706 		if (C_PARODD(tty))  in rc_change_speed()
708 		if (I_INPCK(tty))  in rc_change_speed()
713 	if (I_INPCK(tty))  in rc_change_speed()
715 	if (I_BRKINT(tty) || I_PARMRK(tty))  in rc_change_speed()
717 	if (I_IGNPAR(tty))  in rc_change_speed()
719 	if (I_IGNBRK(tty)) {  in rc_change_speed()
721 		if (I_IGNPAR(tty))  in rc_change_speed()
726 	if (C_CRTSCTS(tty))  {  in rc_change_speed()
731 		tty->hw_stopped = !(rc_in(bp, CD180_MSVR) &  in rc_change_speed()
739 	if (I_IXON(tty))  {  in rc_change_speed()
742 		if (I_IXANY(tty))  in rc_change_speed()
744 		rc_out(bp, CD180_SCHR1, START_CHAR(tty));  in rc_change_speed()
745 		rc_out(bp, CD180_SCHR2, STOP_CHAR(tty));  in rc_change_speed()
746 		rc_out(bp, CD180_SCHR3, START_CHAR(tty));  in rc_change_speed()
747 		rc_out(bp, CD180_SCHR4, STOP_CHAR(tty));  in rc_change_speed()
749 	if (!C_CLOCAL(tty))  {  in rc_change_speed()
756 	if (C_CREAD(tty))  in rc_change_speed()
794 	clear_bit(TTY_IO_ERROR, &port->port.tty->flags);  in rc_setup_port()
806 static void rc_shutdown_port(struct tty_struct *tty,  in rc_shutdown_port()  argument
828 	if (C_HUPCL(tty)) {  in rc_shutdown_port()
843 	set_bit(TTY_IO_ERROR, &tty->flags);  in rc_shutdown_port()
877 static int rc_open(struct tty_struct *tty, struct file *filp)  in rc_open()  argument
884 	board = RC_BOARD(tty->index);  in rc_open()
889 	port = rc_port + board * RC_NPORT + RC_PORT(tty->index);  in rc_open()
890 	if (rc_paranoia_check(port, tty->name, "rc_open"))  in rc_open()
898 	tty->driver_data = port;  in rc_open()
899 	port->port.tty = tty;  in rc_open()
903 		error = tty_port_block_til_ready(&port->port, tty, filp);  in rc_open()
907 static void rc_flush_buffer(struct tty_struct *tty)  in rc_flush_buffer()  argument
909 	struct riscom_port *port = tty->driver_data;  in rc_flush_buffer()
912 	if (rc_paranoia_check(port, tty->name, "rc_flush_buffer"))  in rc_flush_buffer()
919 	tty_wakeup(tty);  in rc_flush_buffer()
922 static void rc_close(struct tty_struct *tty, struct file *filp)  in rc_close()  argument
924 	struct riscom_port *port = tty->driver_data;  in rc_close()
929 	if (!port || rc_paranoia_check(port, tty->name, "close"))  in rc_close()
934 	if (tty_port_close_start(&port->port, tty, filp) == 0)  in rc_close()
965 	rc_shutdown_port(tty, bp, port);  in rc_close()
966 	rc_flush_buffer(tty);  in rc_close()
969 	tty_port_close_end(&port->port, tty);  in rc_close()
972 static int rc_write(struct tty_struct *tty,  in rc_write()  argument
975 	struct riscom_port *port = tty->driver_data;  in rc_write()
980 	if (rc_paranoia_check(port, tty->name, "rc_write"))  in rc_write()
1004 	if (port->xmit_cnt && !tty->stopped && !tty->hw_stopped &&  in rc_write()
1016 static int rc_put_char(struct tty_struct *tty, unsigned char ch)  in rc_put_char()  argument
1018 	struct riscom_port *port = tty->driver_data;  in rc_put_char()
1022 	if (rc_paranoia_check(port, tty->name, "rc_put_char"))  in rc_put_char()
1040 static void rc_flush_chars(struct tty_struct *tty)  in rc_flush_chars()  argument
1042 	struct riscom_port *port = tty->driver_data;  in rc_flush_chars()
1045 	if (rc_paranoia_check(port, tty->name, "rc_flush_chars"))  in rc_flush_chars()
1048 	if (port->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped)  in rc_flush_chars()
1060 static int rc_write_room(struct tty_struct *tty)  in rc_write_room()  argument
1062 	struct riscom_port *port = tty->driver_data;  in rc_write_room()
1065 	if (rc_paranoia_check(port, tty->name, "rc_write_room"))  in rc_write_room()
1074 static int rc_chars_in_buffer(struct tty_struct *tty)  in rc_chars_in_buffer()  argument
1076 	struct riscom_port *port = tty->driver_data;  in rc_chars_in_buffer()
1078 	if (rc_paranoia_check(port, tty->name, "rc_chars_in_buffer"))  in rc_chars_in_buffer()
1084 static int rc_tiocmget(struct tty_struct *tty, struct file *file)  in rc_tiocmget()  argument
1086 	struct riscom_port *port = tty->driver_data;  in rc_tiocmget()
1092 	if (rc_paranoia_check(port, tty->name, __func__))  in rc_tiocmget()
1113 static int rc_tiocmset(struct tty_struct *tty, struct file *file,  in rc_tiocmset()  argument
1116 	struct riscom_port *port = tty->driver_data;  in rc_tiocmset()
1120 	if (rc_paranoia_check(port, tty->name, __func__))  in rc_tiocmset()
1146 static int rc_send_break(struct tty_struct *tty, int length)  in rc_send_break()  argument
1148 	struct riscom_port *port = tty->driver_data;  in rc_send_break()
1238 static int rc_ioctl(struct tty_struct *tty, struct file *filp,  in rc_ioctl()  argument
1241 	struct riscom_port *port = tty->driver_data;  in rc_ioctl()
1245 	if (rc_paranoia_check(port, tty->name, "rc_ioctl"))  in rc_ioctl()
1265 static void rc_throttle(struct tty_struct *tty)  in rc_throttle()  argument
1267 	struct riscom_port *port = tty->driver_data;  in rc_throttle()
1271 	if (rc_paranoia_check(port, tty->name, "rc_throttle"))  in rc_throttle()
1278 	if (I_IXOFF(tty)) {  in rc_throttle()
1287 static void rc_unthrottle(struct tty_struct *tty)  in rc_unthrottle()  argument
1289 	struct riscom_port *port = tty->driver_data;  in rc_unthrottle()
1293 	if (rc_paranoia_check(port, tty->name, "rc_unthrottle"))  in rc_unthrottle()
1300 	if (I_IXOFF(tty))  {  in rc_unthrottle()
1309 static void rc_stop(struct tty_struct *tty)  in rc_stop()  argument
1311 	struct riscom_port *port = tty->driver_data;  in rc_stop()
1315 	if (rc_paranoia_check(port, tty->name, "rc_stop"))  in rc_stop()
1327 static void rc_start(struct tty_struct *tty)  in rc_start()  argument
1329 	struct riscom_port *port = tty->driver_data;  in rc_start()
1333 	if (rc_paranoia_check(port, tty->name, "rc_start"))  in rc_start()
1348 static void rc_hangup(struct tty_struct *tty)  in rc_hangup()  argument
1350 	struct riscom_port *port = tty->driver_data;  in rc_hangup()
1354 	if (rc_paranoia_check(port, tty->name, "rc_hangup"))  in rc_hangup()
1359 	rc_shutdown_port(tty, bp, port);  in rc_hangup()
1363 	port->port.tty = NULL;  in rc_hangup()
1368 static void rc_set_termios(struct tty_struct *tty,  in rc_set_termios()  argument
1371 	struct riscom_port *port = tty->driver_data;  in rc_set_termios()
1374 	if (rc_paranoia_check(port, tty->name, "rc_set_termios"))  in rc_set_termios()
1382 	    !(tty->termios->c_cflag & CRTSCTS)) {  in rc_set_termios()
1383 		tty->hw_stopped = 0;  in rc_set_termios()
1384 		rc_start(tty);  in rc_set_termios()