INIT_LIST_HEAD(&dev->driver_list);
void device_initialize(struct device *dev){	kobj_set_kset_s(dev, devices_subsys);	kobject_init(&dev->kobj);	INIT_LIST_HEAD(&dev->node);	INIT_LIST_HEAD(&dev->children);	INIT_LIST_HEAD(&dev->driver_list);	INIT_LIST_HEAD(&dev->dma_pools);	init_MUTEX(&dev->sem);}