Re: [PATCH] RTC: Restore alarm after resume

[Andrew Morton]

On Mon, 22 Dec 2014 19:19:39 +0000 Matthew Garrett <matthew.garrett@xxxxxxxxxx> wrote:

> Some platform firmware may interfere with the RTC alarm over suspend,
> resulting in the kernel and hardware having different ideas about system state
> but also potentially causing problems with firmware that assumes the OS will
> clean this case up. This patch saves the RTC alarm state on suspend and will
> restore it on resume if the alarm has not yet fired - if it has, it will clear
> the RTC alarm.

There's not really enough info here for me to decide which kernel
version(s) need the patch.  Can we please expand on "some"?  Any
suggestions regarding the importance/timing of the fix?


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