linux-kernel - Re: [PATCH] thermal/core: Fix lockdep

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Message-ID: <CAJZ5v0gL=k-1SxbfSSdoFYaTWk=YvY72d3r0oEyu9dZA5YJLbw@mail.gmail.com>
Date:   Sat, 20 Aug 2022 13:57:09 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     Marek Szyprowski <m.szyprowski@...sung.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        "Zhang, Rui" <rui.zhang@...el.com>,
        Linux PM <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Amit Kucheria <amitk@...nel.org>,
        Linux Samsung SoC <linux-samsung-soc@...r.kernel.org>
Subject: Re: [PATCH] thermal/core: Fix lockdep_assert() warning

On Fri, Aug 12, 2022 at 3:54 PM Daniel Lezcano
<daniel.lezcano@...aro.org> wrote:
>
> On 12/08/2022 15:34, Marek Szyprowski wrote:
> > On 12.08.2022 15:12, Daniel Lezcano wrote:
> >> The function thermal_zone_device_is_enabled() must be called with the
> >> thermal zone lock held. In the resume path, it is called without.
> >>
> >> As the thermal_zone_device_is_enabled() is also checked in
> >> thermal_zone_device_update(), do the check in resume() function is
> >> pointless, except for saving an extra initialization which does not
> >> hurt if it is done in all the cases.
> >>
> >> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
> >
> > This fixes the warning I've reported. Feel free to add:
> >
> > Reported-by: Marek Szyprowski <m.szyprowski@...sung.com>
> >
> > Tested-by: Marek Szyprowski <m.szyprowski@...sung.com>
>
> Great, thanks for testing

Do you want me to apply this for -rc3?