421 static int pti_tty_driver_open(struct tty_struct *tty, struct file *filp)  in pti_tty_driver_open()  argument
430 	return tty_port_open(tty->port, tty, filp);  in pti_tty_driver_open()
444 static void pti_tty_driver_close(struct tty_struct *tty, struct file *filp)  in pti_tty_driver_close()  argument
446 	tty_port_close(tty->port, tty, filp);  in pti_tty_driver_close()
461 static int pti_tty_install(struct tty_driver *driver, struct tty_struct *tty)  in pti_tty_install()  argument
463 	int idx = tty->index;  in pti_tty_install()
465 	int ret = tty_standard_install(driver, tty);  in pti_tty_install()
481 		tty->driver_data = pti_tty_data;  in pti_tty_install()
493 static void pti_tty_cleanup(struct tty_struct *tty)  in pti_tty_cleanup()  argument
495 	struct pti_tty *pti_tty_data = tty->driver_data;  in pti_tty_cleanup()
500 	tty->driver_data = NULL;  in pti_tty_cleanup()
516 static int pti_tty_driver_write(struct tty_struct *tty,  in pti_tty_driver_write()  argument
519 	struct pti_tty *pti_tty_data = tty->driver_data;  in pti_tty_driver_write()
537 static int pti_tty_write_room(struct tty_struct *tty)  in pti_tty_write_room()  argument
755 static int pti_port_activate(struct tty_port *port, struct tty_struct *tty)  in pti_port_activate()  argument
757 	if (port->tty->index == PTITTY_MINOR_START)  in pti_port_activate()
774 	if (port->tty->index == PTITTY_MINOR_START)  in pti_port_shutdown()