Re: [patch 2.6.26-git] pm selftest: rtc paranoia

From: David Brownell
Date: Fri Jul 25 2008 - 18:22:19 EST


On Friday 25 July 2008, Andrew Morton wrote:
> On Fri, 25 Jul 2008 13:26:51 -0700
> David Brownell <david-b@xxxxxxxxxxx> wrote:
>
> > From: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
> >
> > Cope with a quirk of some RTCs (notably ACPI ones) which
> > aren't guaranteed to implement oneshot behavior when they
> > woke the system from sleeep: forcibly disable the alarm,
> > just in case.
> >
> > ...
>
> I assume this fixes some reported bug? Any references?

It's more paranoia than anything else ... I saw a version
of this with on x86, but that was because of problems in
the HPET glue (fixed by a previous patch).


> Is this needed in 2.6.26.x? 2.6.25.x?

The selftest only merged this week, so not 2.6.25;
and since it's just paranoia, it shouldn't be critical
for 2.6.26 either.

- Dave



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