diff options
Diffstat (limited to 'kernel/time/ntp.c')
| -rw-r--r-- | kernel/time/ntp.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index 65223b7ed810..af7563f5d4e2 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -34,7 +34,6 @@ int time_state = TIME_OK; /* clock synchronization status */ int time_status = STA_UNSYNC; /* clock status bits */ long time_offset; /* time adjustment (ns) */ long time_constant = 2; /* pll time constant */ -long time_tolerance = MAXFREQ; /* frequency tolerance (ppm) */ long time_precision = 1; /* clock precision (us) */ long time_maxerror = NTP_PHASE_LIMIT; /* maximum error (us) */ long time_esterror = NTP_PHASE_LIMIT; /* estimated error (us) */ @@ -87,7 +86,7 @@ void second_overflow(void) long time_adj; /* Bump the maxerror field */ - time_maxerror += time_tolerance >> SHIFT_USEC; + time_maxerror += MAXFREQ >> SHIFT_USEC; if (time_maxerror > NTP_PHASE_LIMIT) { time_maxerror = NTP_PHASE_LIMIT; time_status |= STA_UNSYNC; @@ -313,8 +312,8 @@ int do_adjtimex(struct timex *txc) } else /* calibration interval too long (p. 12) */ result = TIME_ERROR; } - time_freq = min(time_freq, time_tolerance); - time_freq = max(time_freq, -time_tolerance); + time_freq = min(time_freq, MAXFREQ); + time_freq = max(time_freq, -MAXFREQ); time_offset = (time_offset * NSEC_PER_USEC / HZ) << SHIFT_UPDATE; } /* STA_PLL */ } /* txc->modes & ADJ_OFFSET */ @@ -337,7 +336,7 @@ leave: if ((time_status & (STA_UNSYNC|STA_CLOCKERR)) != 0) txc->status = time_status; txc->constant = time_constant; txc->precision = time_precision; - txc->tolerance = time_tolerance; + txc->tolerance = MAXFREQ; txc->tick = tick_usec; /* PPS is not implemented, so these are zero */ |