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[PATCH] remove pps support

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This removes the support for pps.  It's completely unused within the kernel
and is basically in the way for further cleanups.  It should be easier to
readd proper support for it after the rest has been converted to NTP4
(where the pps mechanisms are quite different from NTP3 anyway).

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Cc: Adrian Bunk <bunk@stusta.de>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Roman Zippel 2006-03-25 03:08:28 -08:00 • committed by Linus Torvalds
parent e4294b3ecd
commit 5ddcfa878d
3 changed files with 18 additions and 95 deletions
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13
kernel/timer.c
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@ -697,18 +697,9 @@ static void second_overflow(void)
/*
* Compute the frequency estimate and additional phase adjustment due
* to frequency error for the next second. When the PPS signal is
* engaged, gnaw on the watchdog counter and update the frequency
* computed by the pll and the PPS signal.
* to frequency error for the next second.
*/
pps_valid++;
if (pps_valid == PPS_VALID) { /* PPS signal lost */
pps_jitter = MAXTIME;
pps_stabil = MAXFREQ;
time_status &= ~(STA_PPSSIGNAL | STA_PPSJITTER |
STA_PPSWANDER | STA_PPSERROR);
}
ltemp = time_freq + pps_freq;
ltemp = time_freq;
time_adj += shift_right(ltemp,(SHIFT_USEC + SHIFT_HZ - SHIFT_SCALE));
#if HZ == 100