Function device_set_devclass

freebsd/kern/subr_bus.c:2728–2753

* @brief Set the devclass of a device * @see devclass_add_device(). */

 * @see devclass_add_device().
 */
int
device_set_devclass(device_t dev, const char *classname)
{
	devclass_t dc;
	int error;

	if (!classname) {
		if (dev->devclass)
			devclass_delete_device(dev->devclass, dev);
		return (0);
	}

	if (dev->devclass) {
		printf("device_set_devclass: device class already set\n");
		return (EINVAL);
	}

	dc = devclass_find_internal(classname, NULL, TRUE);
	if (!dc)
		return (ENOMEM);

	error = devclass_add_device(dc, dev);

	bus_data_generation_update();
	return (error);
}

/**
 * @brief Set the devclass of a device and mark the devclass fixed.