370 static struct tty_driver *tty_drv;  variable
2231 	tty_unregister_device(tty_drv, serial->minor);  in hso_serial_tty_unregister()
2265 			tty_drv, serial->minor, &serial->parent->interface->dev,  in hso_serial_common_create()
3250 	tty_drv = alloc_tty_driver(HSO_SERIAL_TTY_MINORS);  in hso_init()
3251 	if (!tty_drv)  in hso_init()
3255 	tty_drv->driver_name = driver_name;  in hso_init()
3256 	tty_drv->name = tty_filename;  in hso_init()
3260 		tty_drv->major = tty_major;  in hso_init()
3262 	tty_drv->minor_start = 0;  in hso_init()
3263 	tty_drv->type = TTY_DRIVER_TYPE_SERIAL;  in hso_init()
3264 	tty_drv->subtype = SERIAL_TYPE_NORMAL;  in hso_init()
3265 	tty_drv->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;  in hso_init()
3266 	tty_drv->init_termios = tty_std_termios;  in hso_init()
3267 	hso_init_termios(&tty_drv->init_termios);  in hso_init()
3268 	tty_set_operations(tty_drv, &hso_serial_ops);  in hso_init()
3271 	result = tty_register_driver(tty_drv);  in hso_init()
3288 	tty_unregister_driver(tty_drv);  in hso_init()
3290 	put_tty_driver(tty_drv);  in hso_init()
3298 	tty_unregister_driver(tty_drv);  in hso_exit()
3301 	put_tty_driver(tty_drv);  in hso_exit()