FBNIC_TS_HIGH_REFRESH_JIF
return FBNIC_TS_HIGH_REFRESH_JIF;
return ptp_schedule_worker(fbn->fbd->ptp, FBNIC_TS_HIGH_REFRESH_JIF);
FBNIC_TS_HIGH_REFRESH_JIF * 3 / 2))
(jiffies - fbd->last_read - FBNIC_TS_HIGH_REFRESH_JIF) / HZ);