427 int class_interface_register(struct class_interface *class_intf)  in class_interface_register()  argument
433 	if (!class_intf || !class_intf->class)  in class_interface_register()
436 	parent = class_get(class_intf->class);  in class_interface_register()
441 	list_add_tail(&class_intf->node, &parent->p->interfaces);  in class_interface_register()
442 	if (class_intf->add_dev) {  in class_interface_register()
445 			class_intf->add_dev(dev, class_intf);  in class_interface_register()
453 void class_interface_unregister(struct class_interface *class_intf)  in class_interface_unregister()  argument
455 	struct class *parent = class_intf->class;  in class_interface_unregister()
463 	list_del_init(&class_intf->node);  in class_interface_unregister()
464 	if (class_intf->remove_dev) {  in class_interface_unregister()
467 			class_intf->remove_dev(dev, class_intf);  in class_interface_unregister()