239 	struct tty_struct *tty, struct hvsi_struct **to_handshake)  in hvsi_recv_control()  argument
249 				if (tty && !C_CLOCAL(tty))  in hvsi_recv_control()
250 					tty_hangup(tty);  in hvsi_recv_control()
401 static int hvsi_load_chunk(struct hvsi_struct *hp, struct tty_struct *tty,  in hvsi_load_chunk()  argument
444 				hvsi_recv_control(hp, packet, tty, handshake);  in hvsi_load_chunk()
492 	struct tty_struct *tty;  in hvsi_interrupt()  local
498 	tty = tty_port_tty_get(&hp->port);  in hvsi_interrupt()
502 		again = hvsi_load_chunk(hp, tty, &handshake);  in hvsi_interrupt()
512 	if (tty && hp->n_throttle && !test_bit(TTY_THROTTLED, &tty->flags)) {  in hvsi_interrupt()
520 	tty_kref_put(tty);  in hvsi_interrupt()
712 static int hvsi_open(struct tty_struct *tty, struct file *filp)  in hvsi_open()  argument
720 	hp = &hvsi_ports[tty->index];  in hvsi_open()
722 	tty->driver_data = hp;  in hvsi_open()
728 	tty_port_tty_set(&hp->port, tty);  in hvsi_open()
740 		printk(KERN_ERR "%s: HVSI handshaking failed\n", tty->name);  in hvsi_open()
746 		printk(KERN_ERR "%s: couldn't get initial modem flags\n", tty->name);  in hvsi_open()
752 		printk(KERN_ERR "%s: couldn't set DTR\n", tty->name);  in hvsi_open()
775 static void hvsi_close(struct tty_struct *tty, struct file *filp)  in hvsi_close()  argument
777 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_close()
799 			tty->closing = 1;  in hvsi_close()
827 static void hvsi_hangup(struct tty_struct *tty)  in hvsi_hangup()  argument
829 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_hangup()
906 static int hvsi_write_room(struct tty_struct *tty)  in hvsi_write_room()  argument
908 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_write_room()
913 static int hvsi_chars_in_buffer(struct tty_struct *tty)  in hvsi_chars_in_buffer()  argument
915 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_chars_in_buffer()
920 static int hvsi_write(struct tty_struct *tty,  in hvsi_write()  argument
923 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_write()
944 	while ((count > 0) && (hvsi_write_room(tty) > 0)) {  in hvsi_write()
945 		int chunksize = min(count, hvsi_write_room(tty));  in hvsi_write()
979 static void hvsi_throttle(struct tty_struct *tty)  in hvsi_throttle()  argument
981 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_throttle()
988 static void hvsi_unthrottle(struct tty_struct *tty)  in hvsi_unthrottle()  argument
990 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_unthrottle()
1006 static int hvsi_tiocmget(struct tty_struct *tty)  in hvsi_tiocmget()  argument
1008 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_tiocmget()
1014 static int hvsi_tiocmset(struct tty_struct *tty,  in hvsi_tiocmset()  argument
1017 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_tiocmset()