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

Browse source 
Pull timer changes from Ingo Molnar:
 "Main changes in this cycle were:

   - Updated full dynticks support.

   - Event stream support for architected (ARM) timers.

   - ARM clocksource driver updates.

   - Move arm64 to using the generic sched_clock framework & resulting
     cleanup in the generic sched_clock code.

   - Misc fixes and cleanups"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (50 commits)
  x86/time: Honor ACPI FADT flag indicating absence of a CMOS RTC
  clocksource: sun4i: remove IRQF_DISABLED
  clocksource: sun4i: Report the minimum tick that we can program
  clocksource: sun4i: Select CLKSRC_MMIO
  clocksource: Provide timekeeping for efm32 SoCs
  clocksource: em_sti: convert to clk_prepare/unprepare
  time: Fix signedness bug in sysfs_get_uname() and its callers
  timekeeping: Fix some trivial typos in comments
  alarmtimer: return EINVAL instead of ENOTSUPP if rtcdev doesn't exist
  clocksource: arch_timer: Do not register arch_sys_counter twice
  timer stats: Add a 'Collection: active/inactive' line to timer usage statistics
  sched_clock: Remove sched_clock_func() hook
  arch_timer: Move to generic sched_clock framework
  clocksource: tcb_clksrc: Remove IRQF_DISABLED
  clocksource: tcb_clksrc: Improve driver robustness
  clocksource: tcb_clksrc: Replace clk_enable/disable with clk_prepare_enable/disable_unprepare
  clocksource: arm_arch_timer: Use clocksource for suspend timekeeping
  clocksource: dw_apb_timer_of: Mark a few more functions as __init
  clocksource: Put nodes passed to CLOCKSOURCE_OF_DECLARE callbacks centrally
  arm: zynq: Enable arm_global_timer
  ...
This commit is contained in:
Linus Torvalds 2013-11-12 10:36:00 +09:00
commit 87093826aa
54 changed files with 717 additions and 189 deletions
Download patch file Download diff file Expand all files Collapse all files

13
drivers/rtc/interface.c
View file

@ -72,6 +72,7 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm)
} else
err = -EINVAL;
pm_stay_awake(rtc->dev.parent);
mutex_unlock(&rtc->ops_lock);
/* A timer might have just expired */
schedule_work(&rtc->irqwork);
@ -113,6 +114,7 @@ int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs)
err = -EINVAL;
}
pm_stay_awake(rtc->dev.parent);
mutex_unlock(&rtc->ops_lock);
/* A timer might have just expired */
schedule_work(&rtc->irqwork);
@ -771,9 +773,10 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
alarm.time = rtc_ktime_to_tm(timer->node.expires);
alarm.enabled = 1;
err = __rtc_set_alarm(rtc, &alarm);
if (err == -ETIME)
if (err == -ETIME) {
pm_stay_awake(rtc->dev.parent);
schedule_work(&rtc->irqwork);
else if (err) {
} else if (err) {
timerqueue_del(&rtc->timerqueue, &timer->node);
timer->enabled = 0;
return err;
@ -818,8 +821,10 @@ static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer)
alarm.time = rtc_ktime_to_tm(next->expires);
alarm.enabled = 1;
err = __rtc_set_alarm(rtc, &alarm);
if (err == -ETIME)
if (err == -ETIME) {
pm_stay_awake(rtc->dev.parent);
schedule_work(&rtc->irqwork);
}
}
}
@ -845,7 +850,6 @@ void rtc_timer_do_work(struct work_struct *work)
mutex_lock(&rtc->ops_lock);
again:
pm_relax(rtc->dev.parent);
__rtc_read_time(rtc, &tm);
now = rtc_tm_to_ktime(tm);
while ((next = timerqueue_getnext(&rtc->timerqueue))) {
@ -880,6 +884,7 @@ again:
} else
rtc_alarm_disable(rtc);
pm_relax(rtc->dev.parent);
mutex_unlock(&rtc->ops_lock);
}

3
drivers/rtc/rtc-pl031.c
View file

@ -371,6 +371,7 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
}
}
device_init_wakeup(&adev->dev, 1);
ldata->rtc = rtc_device_register("pl031", &adev->dev, ops,
THIS_MODULE);
if (IS_ERR(ldata->rtc)) {
@ -384,8 +385,6 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
goto out_no_irq;
}
device_init_wakeup(&adev->dev, 1);
return 0;
out_no_irq: