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()
399 static int hvsi_load_chunk(struct hvsi_struct *hp, struct tty_struct *tty,  in hvsi_load_chunk()  argument
442 				hvsi_recv_control(hp, packet, tty, handshake);  in hvsi_load_chunk()
490 	struct tty_struct *tty;  in hvsi_interrupt()  local
496 	tty = tty_port_tty_get(&hp->port);  in hvsi_interrupt()
500 		again = hvsi_load_chunk(hp, tty, &handshake);  in hvsi_interrupt()
510 	if (tty && hp->n_throttle && !test_bit(TTY_THROTTLED, &tty->flags)) {  in hvsi_interrupt()
518 	tty_kref_put(tty);  in hvsi_interrupt()
710 static int hvsi_open(struct tty_struct *tty, struct file *filp)  in hvsi_open()  argument
718 	hp = &hvsi_ports[tty->index];  in hvsi_open()
720 	tty->driver_data = hp;  in hvsi_open()
726 	tty_port_tty_set(&hp->port, tty);  in hvsi_open()
738 		printk(KERN_ERR "%s: HVSI handshaking failed\n", tty->name);  in hvsi_open()
744 		printk(KERN_ERR "%s: couldn't get initial modem flags\n", tty->name);  in hvsi_open()
750 		printk(KERN_ERR "%s: couldn't set DTR\n", tty->name);  in hvsi_open()
773 static void hvsi_close(struct tty_struct *tty, struct file *filp)  in hvsi_close()  argument
775 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_close()
797 			tty->closing = 1;  in hvsi_close()
825 static void hvsi_hangup(struct tty_struct *tty)  in hvsi_hangup()  argument
827 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_hangup()
904 static int hvsi_write_room(struct tty_struct *tty)  in hvsi_write_room()  argument
906 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_write_room()
911 static int hvsi_chars_in_buffer(struct tty_struct *tty)  in hvsi_chars_in_buffer()  argument
913 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_chars_in_buffer()
918 static int hvsi_write(struct tty_struct *tty,  in hvsi_write()  argument
921 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_write()
942 	while ((count > 0) && (hvsi_write_room(tty) > 0)) {  in hvsi_write()
943 		int chunksize = min(count, hvsi_write_room(tty));  in hvsi_write()
977 static void hvsi_throttle(struct tty_struct *tty)  in hvsi_throttle()  argument
979 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_throttle()
986 static void hvsi_unthrottle(struct tty_struct *tty)  in hvsi_unthrottle()  argument
988 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_unthrottle()
1004 static int hvsi_tiocmget(struct tty_struct *tty)  in hvsi_tiocmget()  argument
1006 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_tiocmget()
1012 static int hvsi_tiocmset(struct tty_struct *tty,  in hvsi_tiocmset()  argument
1015 	struct hvsi_struct *hp = tty->driver_data;  in hvsi_tiocmset()