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Merge branch 'timers-for-linus-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

Bladeren bron 
* 'timers-for-linus-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  avr32: Fix typo in read_persistent_clock()
  sparc: Convert sparc to use read/update_persistent_clock
  cris: Convert cris to use read/update_persistent_clock
  m68k: Convert m68k to use read/update_persistent_clock
  m32r: Convert m32r to use read/update_peristent_clock
  blackfin: Convert blackfin to use read/update_persistent_clock
  ia64: Convert ia64 to use read/update_persistent_clock
  avr32: Convert avr32 to use read/update_persistent_clock
  h8300: Convert h8300 to use read/update_persistent_clock
  frv: Convert frv to use read/update_persistent_clock
  mn10300: Convert mn10300 to use read/update_persistent_clock
  alpha: Convert alpha to use read/update_persistent_clock
  xtensa: Fix unnecessary setting of xtime
  time: Clean up direct xtime usage in xen
This commit is contained in:
Linus Torvalds
2010-05-19 17:10:06 -07:00
bovenliggende 6e0b7b2c39 e9ddbc075d
commit 7d02093e29
21 gewijzigde bestanden met toevoegingen van 137 en 310 verwijderingen
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27
arch/mn10300/kernel/rtc.c
Bestand weergeven

@@ -26,17 +26,15 @@ static long last_rtc_update;
/* time for RTC to update itself in ioclks */
static unsigned long mn10300_rtc_update_period;
/*
* read the current RTC time
*/
unsigned long __init get_initial_rtc_time(void)
void read_persistent_clock(struct timespec *ts)
{
struct rtc_time tm;
get_rtc_time(&tm);
return mktime(tm.tm_year, tm.tm_mon, tm.tm_mday,
ts->tv_sec = mktime(tm.tm_year, tm.tm_mon, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec);
ts->tv_nsec = 0;
}
/*
@@ -110,24 +108,9 @@ static int set_rtc_mmss(unsigned long nowtime)
return retval;
}
void check_rtc_time(void)
int update_persistent_clock(struct timespec now)
{
/* the RTC clock just finished ticking over again this second
* - if we have an externally synchronized Linux clock, then update
* RTC clock accordingly every ~11 minutes. set_rtc_mmss() has to be
* called as close as possible to 500 ms before the new second starts.
*/
if ((time_status & STA_UNSYNC) == 0 &&
xtime.tv_sec > last_rtc_update + 660 &&
xtime.tv_nsec / 1000 >= 500000 - ((unsigned) TICK_SIZE) / 2 &&
xtime.tv_nsec / 1000 <= 500000 + ((unsigned) TICK_SIZE) / 2
) {
if (set_rtc_mmss(xtime.tv_sec) == 0)
last_rtc_update = xtime.tv_sec;
else
/* do it again in 60s */
last_rtc_update = xtime.tv_sec - 600;
}
return set_rtc_mms(now.tv_sec);
}
/*

4
arch/mn10300/kernel/time.c
Bestand weergeven

@@ -111,7 +111,6 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
/* advance the kernel's time tracking system */
profile_tick(CPU_PROFILING);
do_timer(1);
check_rtc_time();
}
write_sequnlock(&xtime_lock);
@@ -139,9 +138,6 @@ void __init time_init(void)
" (calibrated against RTC)\n",
MN10300_TSCCLK / 1000000, (MN10300_TSCCLK / 10000) % 100);
xtime.tv_sec = get_initial_rtc_time();
xtime.tv_nsec = 0;
mn10300_last_tsc = TMTSCBC;
/* use timer 0 & 1 cascaded to tick at as close to HZ as possible */