static long last_rtc_update;
/* Determine when to update the Mostek clock. */
- if ((time_status & STA_UNSYNC) == 0 &&
+ if (ntp_synced() &&
xtime.tv_sec > last_rtc_update + 660 &&
(xtime.tv_nsec / 1000) >= 500000 - ((unsigned) TICK_SIZE) / 2 &&
(xtime.tv_nsec / 1000) <= 500000 + ((unsigned) TICK_SIZE) / 2) {