diff options
| author | Roman Zippel <zippel@linux-m68k.org> | 2006-10-01 02:28:25 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-01 03:39:26 -0400 |
| commit | 3d3675cc3d04d7fd4bb11e8c1ea79e5ade4f5e44 (patch) | |
| tree | 7beeef2896cb92e06b0a2ee8fa62b17f1732b72b /include | |
| parent | dc6a43e46f1b6de22701f97bec022e97088cfa90 (diff) | |
[PATCH] ntp: prescale time_offset
This converts time_offset into a scaled per tick value. This avoids now
completely the crude compensation in second_overflow().
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')
| -rw-r--r-- | include/linux/timex.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/timex.h b/include/linux/timex.h index b589c8218bb9..1cde6f6a2712 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h | |||
| @@ -89,7 +89,7 @@ | |||
| 89 | * FINENSEC is 1 ns in SHIFT_UPDATE units of the time_phase variable. | 89 | * FINENSEC is 1 ns in SHIFT_UPDATE units of the time_phase variable. |
| 90 | */ | 90 | */ |
| 91 | #define SHIFT_SCALE 22 /* phase scale (shift) */ | 91 | #define SHIFT_SCALE 22 /* phase scale (shift) */ |
| 92 | #define SHIFT_UPDATE (SHIFT_KG + MAXTC) /* time offset scale (shift) */ | 92 | #define SHIFT_UPDATE (SHIFT_HZ + 1) /* time offset scale (shift) */ |
| 93 | #define SHIFT_USEC 16 /* frequency offset scale (shift) */ | 93 | #define SHIFT_USEC 16 /* frequency offset scale (shift) */ |
| 94 | #define FINENSEC (1L << (SHIFT_SCALE - 10)) /* ~1 ns in phase units */ | 94 | #define FINENSEC (1L << (SHIFT_SCALE - 10)) /* ~1 ns in phase units */ |
| 95 | 95 | ||