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

* '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

diff --cc arch/alpha/Kconfig
Simple merge

diff --cc arch/blackfin/kernel/time-ts.c
index cb7a01d4f00924c47da598b7ea977241dae1e3e6,08dd3e83c187a21571dd5ac3211bfb1410fa63e0..8c9a43daf80fad1f4ecaec62f25ea0778cc2be94
--- 1/arch/blackfin/kernel/time-ts.c
--- 2/arch/blackfin/kernel/time-ts.c
+++ b/arch/blackfin/kernel/time-ts.c
@@@ -304,58 -305,58 +304,64 @@@ void bfin_coretmr_init(void
        CSYNC();
  }
  
 -static unsigned long  __init bfin_clockevent_check(void)
 -{
 -      setup_irq(IRQ_CORETMR, &bfin_timer_irq);
 -      return get_cclk() / TIME_SCALE;
 -}
 -
 -void __init setup_core_timer(void)
 +#ifdef CONFIG_CORE_TIMER_IRQ_L1
 +__attribute__((l1_text))
 +#endif
 +irqreturn_t bfin_coretmr_interrupt(int irq, void *dev_id)
  {
 -      bfin_timer_init();
 -      bfin_timer_set_mode(CLOCK_EVT_MODE_PERIODIC, NULL);
 -}
 -#endif /* CONFIG_TICKSOURCE_GPTMR0 */
 +      int cpu = smp_processor_id();
 +      struct clock_event_device *evt = &per_cpu(coretmr_events, cpu);
  
 -/*
 - * timer_interrupt() needs to keep up the real-time clock,
 - * as well as call the "do_timer()" routine every clocktick
 - */
 -irqreturn_t timer_interrupt(int irq, void *dev_id)
 -{
 -      struct clock_event_device *evt = dev_id;
        smp_mb();
        evt->event_handler(evt);
 -      bfin_timer_ack();
 -      return IRQ_HANDLED;
 -}
 -
 -static int __init bfin_clockevent_init(void)
 -{
 -      unsigned long timer_clk;
  
 -      timer_clk = bfin_clockevent_check();
 +      touch_nmi_watchdog();
  
 -      bfin_timer_init();
 +      return IRQ_HANDLED;
 +}
  
 -      clockevent_bfin.mult = div_sc(timer_clk, NSEC_PER_SEC, clockevent_bfin.shift);
 -      clockevent_bfin.max_delta_ns = clockevent_delta2ns(-1, &clockevent_bfin);
 -      clockevent_bfin.min_delta_ns = clockevent_delta2ns(100, &clockevent_bfin);
 -      clockevent_bfin.cpumask = cpumask_of(0);
 -      clockevents_register_device(&clockevent_bfin);
 +static struct irqaction coretmr_irq = {
 +      .name           = "Blackfin CoreTimer",
 +      .flags          = IRQF_DISABLED | IRQF_TIMER | \
 +                        IRQF_IRQPOLL | IRQF_PERCPU,
 +      .handler        = bfin_coretmr_interrupt,
 +};
  
 -      return 0;
 +void bfin_coretmr_clockevent_init(void)
 +{
 +      unsigned long clock_tick;
 +      unsigned int cpu = smp_processor_id();
 +      struct clock_event_device *evt = &per_cpu(coretmr_events, cpu);
 +
 +      evt->name = "bfin_core_timer";
 +      evt->rating = 350;
 +      evt->irq = -1;
 +      evt->shift = 32;
 +      evt->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
 +      evt->set_next_event = bfin_coretmr_set_next_event;
 +      evt->set_mode = bfin_coretmr_set_mode;
 +
 +      clock_tick = get_cclk() / TIME_SCALE;
 +      evt->mult = div_sc(clock_tick, NSEC_PER_SEC, evt->shift);
 +      evt->max_delta_ns = clockevent_delta2ns(-1, evt);
 +      evt->min_delta_ns = clockevent_delta2ns(100, evt);
 +
 +      evt->cpumask = cpumask_of(cpu);
 +
 +      clockevents_register_device(evt);
  }
 +#endif /* CONFIG_TICKSOURCE_CORETMR */
 +
  
- void __init time_init(void)
+ void read_persistent_clock(struct timespec *ts)
  {
        time_t secs_since_1970 = (365 * 37 + 9) * 24 * 60 * 60; /* 1 Jan 2007 */
+       ts->tv_sec = secs_since_1970;
+       ts->tv_nsec = 0;
+ }
+ 
+ void __init time_init(void)
+ {
  
  #ifdef CONFIG_RTC_DRV_BFIN
        /* [#2663] hack to filter junk RTC values that would cause
@@@ -368,28 -369,7 +374,23 @@@
        }
  #endif
  
-       /* Initialize xtime. From now on, xtime is updated with timer interrupts */
-       xtime.tv_sec = secs_since_1970;
-       xtime.tv_nsec = 0;
-       set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec);
- 
        bfin_cs_cycles_init();
        bfin_cs_gptimer0_init();
 -      bfin_clockevent_init();
 +
 +#if defined(CONFIG_TICKSOURCE_CORETMR)
 +      bfin_coretmr_init();
 +      setup_irq(IRQ_CORETMR, &coretmr_irq);
 +      bfin_coretmr_clockevent_init();
 +#endif
 +
 +#if defined(CONFIG_TICKSOURCE_GPTMR0)
 +      bfin_gptmr0_init();
 +      setup_irq(IRQ_TIMER0, &gptmr0_irq);
 +      gptmr0_irq.dev_id = &clockevent_gptmr0;
 +      bfin_gptmr0_clockevent_init(&clockevent_gptmr0);
 +#endif
 +
 +#if !defined(CONFIG_TICKSOURCE_CORETMR) && !defined(CONFIG_TICKSOURCE_GPTMR0)
 +# error at least one clock event device is required
 +#endif
  }

diff --cc arch/sparc/Kconfig
Simple merge

diff --cc arch/x86/xen/time.c
Simple merge