to_accel_kdev
kobject_uevent(&(to_accel_kdev(qdev->qddev))->kobj, KOBJ_ONLINE);
kobject_uevent(&(to_accel_kdev(qdev->qddev))->kobj, KOBJ_OFFLINE);
struct device *kdev = to_accel_kdev(qdev->qddev);
struct device *kdev = to_accel_kdev(qddev);
struct device *kdev = to_accel_kdev(qddev);