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

* '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
21 changed files with 137 additions and 310 deletions

View File

@@ -75,7 +75,7 @@ config ARCH_USES_GETTIMEOFFSET
config GENERIC_CMOS_UPDATE
bool
default y if SPARC64
default y
config GENERIC_CLOCKEVENTS
bool

View File

@@ -78,6 +78,11 @@ __volatile__ unsigned int *master_l10_counter;
u32 (*do_arch_gettimeoffset)(void);
int update_persistent_clock(struct timespec now)
{
return set_rtc_mmss(now.tv_sec);
}
/*
* timer_interrupt() needs to keep up the real-time clock,
* as well as call the "do_timer()" routine every clocktick
@@ -87,9 +92,6 @@ u32 (*do_arch_gettimeoffset)(void);
static irqreturn_t timer_interrupt(int dummy, void *dev_id)
{
/* last time the cmos clock got updated */
static long last_rtc_update;
#ifndef CONFIG_SMP
profile_tick(CPU_PROFILING);
#endif
@@ -101,16 +103,6 @@ static irqreturn_t timer_interrupt(int dummy, void *dev_id)
do_timer(1);
/* Determine when to update the Mostek clock. */
if (ntp_synced() &&
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
last_rtc_update = xtime.tv_sec - 600; /* do it again in 60 s */
}
write_sequnlock(&xtime_lock);
#ifndef CONFIG_SMP