diff options
| author | Roman Zippel <zippel@linux-m68k.org> | 2006-09-30 23:28:29 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-01 00:39:27 -0700 |
| commit | 0883d899ef862c1b0f8b2c2d38098470c193a3dd (patch) | |
| tree | 414fcb7849c285bed87928b4d5be21304cd6724e /include/linux/timex.h | |
| parent | f19923937321244e7dc334767eb4b67e0e3d5c74 (diff) | |
[PATCH] ntp: cleanup defines and comments
Remove a few unused defines and remove obsolete information from comments.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/timex.h')
| -rw-r--r-- | include/linux/timex.h | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/include/linux/timex.h b/include/linux/timex.h index ac808f13fa0..261381b5da8 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h @@ -74,24 +74,17 @@ #define MAXTC 10 /* maximum time constant (shift) */ /* - * The SHIFT_SCALE define establishes the decimal point of the time_phase - * variable which serves as an extension to the low-order bits of the - * system clock variable. The SHIFT_UPDATE define establishes the decimal - * point of the time_offset variable which represents the current offset - * with respect to standard time. The FINENSEC define represents 1 nsec in - * scaled units. + * 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. - * - * FINENSEC is 1 ns in SHIFT_UPDATE units of the time_phase variable. */ -#define SHIFT_SCALE 22 /* phase scale (shift) */ #define SHIFT_UPDATE (SHIFT_HZ + 1) /* time offset scale (shift) */ #define SHIFT_USEC 16 /* frequency offset scale (shift) */ #define SHIFT_NSEC 12 /* kernel frequency offset scale */ -#define FINENSEC (1L << (SHIFT_SCALE - 10)) /* ~1 ns in phase units */ #define MAXPHASE 512000L /* max phase error (us) */ #define MAXFREQ (512L << SHIFT_USEC) /* max frequency error (ppm) */ |