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authorRoman Zippel <zippel@linux-m68k.org>2006-09-30 23:28:25 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-01 00:39:26 -0700
commit3d3675cc3d04d7fd4bb11e8c1ea79e5ade4f5e44 (patch)
tree7beeef2896cb92e06b0a2ee8fa62b17f1732b72b /include/linux/timex.h
parentdc6a43e46f1b6de22701f97bec022e97088cfa90 (diff)
downloadlwn-3d3675cc3d04d7fd4bb11e8c1ea79e5ade4f5e44.tar.gz
lwn-3d3675cc3d04d7fd4bb11e8c1ea79e5ade4f5e44.zip
[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/linux/timex.h')
-rw-r--r--include/linux/timex.h2
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 @@
* FINENSEC is 1 ns in SHIFT_UPDATE units of the time_phase variable.
*/
#define SHIFT_SCALE 22 /* phase scale (shift) */
-#define SHIFT_UPDATE (SHIFT_KG + MAXTC) /* time offset scale (shift) */
+#define SHIFT_UPDATE (SHIFT_HZ + 1) /* time offset scale (shift) */
#define SHIFT_USEC 16 /* frequency offset scale (shift) */
#define FINENSEC (1L << (SHIFT_SCALE - 10)) /* ~1 ns in phase units */