kthread_cancel_delayed_work_sync
kthread_cancel_delayed_work_sync(&zldev->work);
kthread_cancel_delayed_work_sync(&chip->irq_poll_work);
kthread_cancel_delayed_work_sync(&d->work);
kthread_cancel_delayed_work_sync(&gnss->read_work);
kthread_cancel_delayed_work_sync(&gnss->read_work);
kthread_cancel_delayed_work_sync(&ptp_port->ov_work);
kthread_cancel_delayed_work_sync(&ptp_port->ov_work);
kthread_cancel_delayed_work_sync(&ptp->work);
kthread_cancel_delayed_work_sync(&pf->ptp.work);
kthread_cancel_delayed_work_sync(&ptp->aux_work);
kthread_cancel_delayed_work_sync(&ptp->aux_work);
kthread_cancel_delayed_work_sync(&one->ms_work);
kthread_cancel_delayed_work_sync(&s->poll_work);
kthread_cancel_delayed_work_sync(&s->p[i].ms_work);
kthread_cancel_delayed_work_sync(&s->poll_work);
kthread_cancel_delayed_work_sync(&one->ms_work);
bool kthread_cancel_delayed_work_sync(struct kthread_delayed_work *work);
EXPORT_SYMBOL_GPL(kthread_cancel_delayed_work_sync);