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authorRafael J. Wysocki <rjw@sisk.pl>2012-02-17 23:39:39 +0100
committerRafael J. Wysocki <rjw@sisk.pl>2012-03-04 23:08:27 +0100
commit4782e1654bdbd30cf307da090b3c4f70157477cb (patch)
tree72305fb2e3fff719330f5302dda785c044e25575 /kernel/power
parentda863cddd831b0f4bf2d067f8b75254f1be94590 (diff)
downloadop-kernel-dev-4782e1654bdbd30cf307da090b3c4f70157477cb.zip
op-kernel-dev-4782e1654bdbd30cf307da090b3c4f70157477cb.tar.gz
PM / Sleep: Make __pm_stay_awake() delete wakeup source timers
If __pm_stay_awake() is called after __pm_wakeup_event() for the same wakep source object before its timer expires, it won't cancel the timer, so the wakeup source will be deactivated from the timer function as scheduled by __pm_wakeup_event(). In that case __pm_stay_awake() doesn't have any effect beyond incrementing the wakeup source's event_count field, although it should cancel the timer and make the wakeup source stay active until __pm_relax() is called for it. To fix this problem make __pm_stay_awake() delete the wakeup source's timer and ensure that it won't be deactivated from the timer funtion afterwards by clearing its timer_expires field. Reported-by: Arve Hjønnevåg <arve@android.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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