input_unregister_device(&gf2k->dev);
input_unregister_device(gf2k->dev);
static void gf2k_disconnect(struct gameport *gameport){	struct gf2k *gf2k = gameport_get_drvdata(gameport);	input_unregister_device(&gf2k->dev);	gameport_close(gameport);	gameport_set_drvdata(gameport, NULL);	kfree(gf2k);}