diff options
Diffstat (limited to 'include/linux/timex.h')
| -rw-r--r-- | include/linux/timex.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/timex.h b/include/linux/timex.h index df4743f58..653009adf 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h @@ -45,6 +45,8 @@ * Derived linux/timex.h * 1995-08-13 Torsten Duwe * kernel PLL updated to 1994-12-13 specs (rfc-1589) + * 1997-08-30 Ulrich Windl + * Added new constant NTP_PHASE_LIMIT */ #ifndef _LINUX_TIMEX_H #define _LINUX_TIMEX_H @@ -102,6 +104,7 @@ #define MAXTIME (200L << PPS_AVG) /* max PPS error (jitter) (200 us) */ #define MINSEC 16L /* min interval between updates (s) */ #define MAXSEC 1200L /* max interval between updates (s) */ +#define NTP_PHASE_LIMIT (MAXPHASE << 5) /* beyond max. dispersion */ /* * The following defines are used only if a pulse-per-second (PPS) |