/* dump device's information, name, id, parent, bus, driver, drv_data included  */
int u_device_dump(struct u_device *dev)
/* dump device's information, name, id, parent, bus, driver, drv_data included  */
int u_device_dump(struct u_device *dev)
{
		ddkc_err("dev is NULL\r\n");
		return -1;
	}
	ddkc_info("dev:%p, dev->name:%s, id:%d, dev_id:%d, parent:%p, bus:%p, drv:%p, drv_data:%p\r\n",
	          dev, dev->name,
	          dev->id, dev->dev_id,
	          dev->parent, dev->bus, dev->drv, dev->driver_data);
	return 0;
}