diff options
Diffstat (limited to 'include/linux/timex.h')
| -rw-r--r-- | include/linux/timex.h | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/include/linux/timex.h b/include/linux/timex.h index 48c3376dce7..9fbdd12a52f 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h @@ -76,27 +76,22 @@ #define MAXTC 10 /* maximum time constant (shift) */ /* - * The SHIFT_UPDATE define establishes the decimal point of the - * time_offset variable which represents the current offset with - * respect to standard time. - * * SHIFT_USEC defines the scaling (shift) of the time_freq and * time_tolerance variables, which represent the current frequency * offset and maximum frequency tolerance. */ -#define SHIFT_UPDATE (SHIFT_HZ + 1) /* time offset scale (shift) */ #define SHIFT_USEC 16 /* frequency offset scale (shift) */ #define PPM_SCALE (NSEC_PER_USEC << (TICK_LENGTH_SHIFT - SHIFT_USEC)) #define PPM_SCALE_INV_SHIFT 20 #define PPM_SCALE_INV ((1ll << (PPM_SCALE_INV_SHIFT + TICK_LENGTH_SHIFT)) / \ PPM_SCALE + 1) -#define MAXPHASE 512000L /* max phase error (us) */ +#define MAXPHASE 500000000l /* max phase error (ns) */ #define MAXFREQ 500000 /* max frequency error (ns/s) */ #define MAXFREQ_SCALED ((s64)MAXFREQ << TICK_LENGTH_SHIFT) #define MINSEC 256 /* min interval between updates (s) */ #define MAXSEC 2048 /* max interval between updates (s) */ -#define NTP_PHASE_LIMIT (MAXPHASE << 5) /* beyond max. dispersion */ +#define NTP_PHASE_LIMIT ((MAXPHASE / NSEC_PER_USEC) << 5) /* beyond max. dispersion */ /* * syscall interface - used (mainly by NTP daemon) |