308 static void hvcs_unthrottle(struct tty_struct *tty);
309 static void hvcs_throttle(struct tty_struct *tty);
312 static int hvcs_write(struct tty_struct *tty,
314 static int hvcs_write_room(struct tty_struct *tty);
315 static int hvcs_chars_in_buffer(struct tty_struct *tty);
329 static int hvcs_open(struct tty_struct *tty, struct file *filp);
330 static void hvcs_close(struct tty_struct *tty, struct file *filp);
331 static void hvcs_hangup(struct tty_struct * tty);
518 static void hvcs_unthrottle(struct tty_struct *tty)  in hvcs_unthrottle()  argument
520 	struct hvcs_struct *hvcsd = tty->driver_data;  in hvcs_unthrottle()
529 static void hvcs_throttle(struct tty_struct *tty)  in hvcs_throttle()  argument
531 	struct hvcs_struct *hvcsd = tty->driver_data;  in hvcs_throttle()
561 	struct tty_struct *tty = hvcsd->port.tty;  in hvcs_try_write()  local
581 			if (tty) {  in hvcs_try_write()
582 				tty_wakeup(tty);  in hvcs_try_write()
591 	struct tty_struct *tty;  in hvcs_io()  local
599 	tty = hvcsd->port.tty;  in hvcs_io()
603 	if (!tty || test_bit(TTY_THROTTLED, &tty->flags)) {  in hvcs_io()
842 	struct tty_struct *tty;  in hvcs_remove()  local
851 	tty = hvcsd->port.tty;  in hvcs_remove()
866 	if (tty)  in hvcs_remove()
867 		tty_hangup(tty);  in hvcs_remove()
1100 static int hvcs_install(struct tty_driver *driver, struct tty_struct *tty)  in hvcs_install()  argument
1112 	hvcsd = hvcs_get_by_index(tty->index);  in hvcs_install()
1115 				" with tty->index %d.\n", tty->index);  in hvcs_install()
1131 	hvcsd->port.tty = tty;  in hvcs_install()
1132 	tty->driver_data = hvcsd;  in hvcs_install()
1157 	retval = tty_port_install(&hvcsd->port, driver, tty);  in hvcs_install()
1177 static int hvcs_open(struct tty_struct *tty, struct file *filp)  in hvcs_open()  argument
1179 	struct hvcs_struct *hvcsd = tty->driver_data;  in hvcs_open()
1195 static void hvcs_close(struct tty_struct *tty, struct file *filp)  in hvcs_close()  argument
1213 	if (!tty->driver_data)  in hvcs_close()
1216 	hvcsd = tty->driver_data;  in hvcs_close()
1228 		hvcsd->port.tty = NULL;  in hvcs_close()
1233 		tty_wait_until_sent_from_close(tty, HVCS_CLOSE_WAIT);  in hvcs_close()
1240 		tty->driver_data = NULL;  in hvcs_close()
1253 static void hvcs_cleanup(struct tty_struct * tty)  in hvcs_cleanup()  argument
1255 	struct hvcs_struct *hvcsd = tty->driver_data;  in hvcs_cleanup()
1260 static void hvcs_hangup(struct tty_struct * tty)  in hvcs_hangup()  argument
1262 	struct hvcs_struct *hvcsd = tty->driver_data;  in hvcs_hangup()
1281 	tty->driver_data = NULL;  in hvcs_hangup()
1282 	hvcsd->port.tty = NULL;  in hvcs_hangup()
1320 static int hvcs_write(struct tty_struct *tty,  in hvcs_write()  argument
1323 	struct hvcs_struct *hvcsd = tty->driver_data;  in hvcs_write()
1425 static int hvcs_write_room(struct tty_struct *tty)  in hvcs_write_room()  argument
1427 	struct hvcs_struct *hvcsd = tty->driver_data;  in hvcs_write_room()
1435 static int hvcs_chars_in_buffer(struct tty_struct *tty)  in hvcs_chars_in_buffer()  argument
1437 	struct hvcs_struct *hvcsd = tty->driver_data;  in hvcs_chars_in_buffer()