linux-kernel - Re: Problem when function alarmtimer_suspend returns 0 if time delta is zero

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Date:   Thu, 9 Feb 2023 12:19:17 +0100
From:   Michael Nazzareno Trimarchi <michael@...rulasolutions.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Michael <michael@...isi.de>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-rtc@...r.kernel.org, John Stultz <john.stultz@...aro.org>,
        Stephen Boyd <sboyd@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: Problem when function alarmtimer_suspend returns 0 if time delta
 is zero

Hi Thomas

On Wed, Feb 8, 2023 at 7:06 PM Thomas Gleixner <tglx@...utronix.de> wrote:
>
> Michael!
>
> On Wed, Feb 08 2023 at 16:23, Michael Trimarchi wrote:
> > On Wed, Sep 04, 2019 at 12:49:21AM +0200, Thomas Gleixner wrote:
> >> On Tue, 3 Sep 2019, Michael wrote:
> >> >
> >> > thank you very much for your patch. Unfortunately currently I can only test it
> >> > with a kernel 4.1.52 but i've tried to patch
> >> > your new logic into my older kernel version.
> >>
> > Is this patch valid on mainline too? because apply it was let rtc
> > working 100% of the time
>
> I wrote that patch against the back then mainline code. No idea if it's
> still applying, but the underlying issue is still the same AFAICT.
>
> It needs some polishing and a proper changelog.
>

Ok, I will try to update it on some mainline kernel in my environment
and test it back. I need
a little information if it's possible. Consider that I have no
experience in this area. I understand how
code was designed in general but the part around the freezer and all
those code you remove, what was the logic behind in the removed code?

Michael

> Thanks,
>
>         tglx
>
>



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Michael Nazzareno Trimarchi
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M. +39 347 913 2170
michael@...rulasolutions.com
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