370 static struct tty_driver *tty_drv;  variable
2224 	tty_unregister_device(tty_drv, serial->minor);  in hso_serial_tty_unregister()
2258 			tty_drv, serial->minor, &serial->parent->interface->dev,  in hso_serial_common_create()
3242 	tty_drv = tty_alloc_driver(HSO_SERIAL_TTY_MINORS, TTY_DRIVER_REAL_RAW |  in hso_init()
3244 	if (IS_ERR(tty_drv))  in hso_init()
3245 		return PTR_ERR(tty_drv);  in hso_init()
3248 	tty_drv->driver_name = driver_name;  in hso_init()
3249 	tty_drv->name = tty_filename;  in hso_init()
3253 		tty_drv->major = tty_major;  in hso_init()
3255 	tty_drv->minor_start = 0;  in hso_init()
3256 	tty_drv->type = TTY_DRIVER_TYPE_SERIAL;  in hso_init()
3257 	tty_drv->subtype = SERIAL_TYPE_NORMAL;  in hso_init()
3258 	tty_drv->init_termios = tty_std_termios;  in hso_init()
3259 	hso_init_termios(&tty_drv->init_termios);  in hso_init()
3260 	tty_set_operations(tty_drv, &hso_serial_ops);  in hso_init()
3263 	result = tty_register_driver(tty_drv);  in hso_init()
3280 	tty_unregister_driver(tty_drv);  in hso_init()
3282 	tty_driver_kref_put(tty_drv);  in hso_init()
3290 	tty_unregister_driver(tty_drv);  in hso_exit()
3293 	tty_driver_kref_put(tty_drv);  in hso_exit()