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[PATCH] NTP: ntp-helper functions

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This patch cleans up a commonly repeated set of changes to the NTP state
variables by adding two helper inline functions:

ntp_clear(): Clears the ntp state variables

ntp_synced(): Returns 1 if the system is synced with a time server.

This was compile tested for alpha, arm, i386, x86-64, ppc64, s390, sparc,
sparc64.

Signed-off-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
john stultz 2005-09-06 15:17:46 -07:00 • committed by Linus Torvalds
parent 6c231b7bab
commit b149ee2233
27 changed files with 65 additions and 111 deletions
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7
arch/arm/kernel/time.c
View file

@ -102,7 +102,7 @@ static unsigned long next_rtc_update;
*/
static inline void do_set_rtc(void)
{
if (time_status & STA_UNSYNC || set_rtc == NULL)
if (!ntp_synced() || set_rtc == NULL)
return;
if (next_rtc_update &&
@ -292,10 +292,7 @@ int do_settimeofday(struct timespec *tv)
set_normalized_timespec(&xtime, sec, nsec);
set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec);
time_adjust = 0; /* stop active adjtime() */
time_status |= STA_UNSYNC;
time_maxerror = NTP_PHASE_LIMIT;
time_esterror = NTP_PHASE_LIMIT;
ntp_clear();
write_sequnlock_irq(&xtime_lock);
clock_was_set();
return 0;