205 static struct tty_driver *hvcs_tty_driver;  variable
1434 	hvcs_tty_driver = tty_alloc_driver(num_ttys_to_alloc,  in hvcs_initialize()
1436 	if (IS_ERR(hvcs_tty_driver)) {  in hvcs_initialize()
1438 		return PTR_ERR(hvcs_tty_driver);  in hvcs_initialize()
1446 	hvcs_tty_driver->driver_name = hvcs_driver_name;  in hvcs_initialize()
1447 	hvcs_tty_driver->name = hvcs_device_node;  in hvcs_initialize()
1454 	hvcs_tty_driver->minor_start = HVCS_MINOR_START;  in hvcs_initialize()
1455 	hvcs_tty_driver->type = TTY_DRIVER_TYPE_SYSTEM;  in hvcs_initialize()
1462 	hvcs_tty_driver->init_termios = hvcs_tty_termios;  in hvcs_initialize()
1464 	tty_set_operations(hvcs_tty_driver, &hvcs_ops);  in hvcs_initialize()
1470 	if (tty_register_driver(hvcs_tty_driver)) {  in hvcs_initialize()
1494 	tty_unregister_driver(hvcs_tty_driver);  in hvcs_initialize()
1498 	tty_driver_kref_put(hvcs_tty_driver);  in hvcs_initialize()
1499 	hvcs_tty_driver = NULL;  in hvcs_initialize()
1538 	tty_unregister_driver(hvcs_tty_driver);  in hvcs_module_exit()
1542 	tty_driver_kref_put(hvcs_tty_driver);  in hvcs_module_exit()