56 static struct tty_driver *vcc_tty_driver;  variable
572 	if (!vcc_tty_driver) {  in vcc_probe()
609 	dev = tty_register_device(vcc_tty_driver, port->index, &vdev->dev);  in vcc_probe()
660 	tty_unregister_device(vcc_tty_driver, port->index);  in vcc_probe()
701 	tty_unregister_device(vcc_tty_driver, port->index);  in vcc_remove()
1024 	vcc_tty_driver = tty_alloc_driver(VCC_MAX_PORTS, VCC_TTY_FLAGS);  in vcc_tty_init()
1025 	if (IS_ERR(vcc_tty_driver)) {  in vcc_tty_init()
1027 		return PTR_ERR(vcc_tty_driver);  in vcc_tty_init()
1030 	vcc_tty_driver->driver_name = "vcc";  in vcc_tty_init()
1031 	vcc_tty_driver->name = "vcc";  in vcc_tty_init()
1033 	vcc_tty_driver->minor_start = VCC_MINOR_START;  in vcc_tty_init()
1034 	vcc_tty_driver->type = TTY_DRIVER_TYPE_SYSTEM;  in vcc_tty_init()
1035 	vcc_tty_driver->init_termios = vcc_tty_termios;  in vcc_tty_init()
1037 	tty_set_operations(vcc_tty_driver, &vcc_ops);  in vcc_tty_init()
1039 	rv = tty_register_driver(vcc_tty_driver);  in vcc_tty_init()
1042 		tty_driver_kref_put(vcc_tty_driver);  in vcc_tty_init()
1043 		vcc_tty_driver = NULL;  in vcc_tty_init()
1054 	tty_unregister_driver(vcc_tty_driver);  in vcc_tty_exit()
1055 	tty_driver_kref_put(vcc_tty_driver);  in vcc_tty_exit()
1058 	vcc_tty_driver = NULL;  in vcc_tty_exit()