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If __pm_wakeup_event() has been used (with a nonzero timeout) to report a wakeup event and then __pm_relax() immediately followed by __pm_stay_awake() is called or __pm_wakeup_event() is called once again for the same wakeup source object before its timer expires, the timer function pm_wakeup_timer_fn() may still be run as a result of the previous __pm_wakeup_event() call. In either of those cases it may mistakenly deactivate the wakeup source that has just been activated. To prevent that from happening, make wakeup_source_deactivate() clear the wakeup source's timer_expires field and make pm_wakeup_timer_fn() check if timer_expires is different from zero and if it's not in future before calling wakeup_source_deactivate() (if timer_expires is 0, it means that the timer has just been deleted and if timer_expires is in future, it means that the timer has just been rescheduled to a different time). Reported-by: Arve Hjønnevåg <arve@android.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> |
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| .. | ||
| power | ||
| regmap | ||
| attribute_container.c | ||
| base.h | ||
| bus.c | ||
| class.c | ||
| core.c | ||
| cpu.c | ||
| dd.c | ||
| devres.c | ||
| devtmpfs.c | ||
| dma-buf.c | ||
| dma-coherent.c | ||
| dma-mapping.c | ||
| driver.c | ||
| firmware_class.c | ||
| firmware.c | ||
| hypervisor.c | ||
| init.c | ||
| isa.c | ||
| Kconfig | ||
| Makefile | ||
| map.c | ||
| memory.c | ||
| module.c | ||
| node.c | ||
| platform.c | ||
| syscore.c | ||
| topology.c | ||
| transport_class.c | ||