linux-kernel - Re: [PATCH V2 2/2] arm: dts: sunxi: Add missing cooling device properties for CPUs

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Message-ID: <20180606065811.moklm4pbrhleasly@flea>
Date:   Wed, 6 Jun 2018 08:58:11 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     Viresh Kumar <viresh.kumar@...aro.org>, arm-soc <arm@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        ionela.voinescu@....com,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        chris.redpath@....com, devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V2 2/2] arm: dts: sunxi: Add missing cooling device
 properties for CPUs

On Wed, Jun 06, 2018 at 12:02:20AM +0800, Chen-Yu Tsai wrote:
> On Tue, Jun 5, 2018 at 3:11 PM, Maxime Ripard <maxime.ripard@...tlin.com> wrote:
> > On Tue, Jun 05, 2018 at 10:17:49AM +0530, Viresh Kumar wrote:
> >> The cooling device properties, like "#cooling-cells" and
> >> "dynamic-power-coefficient", should either be present for all the CPUs
> >> of a cluster or none. If these are present only for a subset of CPUs of
> >> a cluster then things will start falling apart as soon as the CPUs are
> >> brought online in a different order. For example, this will happen
> >> because the operating system looks for such properties in the CPU node
> >> it is trying to bring up, so that it can register a cooling device.
> >>
> >> Add such missing properties.
> >>
> >> Fix other missing properties (clocks, OPP, clock latency) as well to
> >> make it all work.
> >>
> >> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> >
> > Applied both, thanks!
> 
> Please fix the "ARM" prefix when applying. :)

Done, thanks for the reminder :)

Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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