linux-kernel - Re: [PATCH v2 1/2] ARM: dts: sun8i: a83t: Add missing cooling device properties for CPUs

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Message-ID: <20190401082004.kulhr3r6nskidycg@flea>
Date:   Mon, 1 Apr 2019 10:20:04 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     megous@...ous.com
Cc:     Chen-Yu Tsai <wens@...e.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-sunxi@...glegroups.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] ARM: dts: sun8i: a83t: Add missing cooling device
 properties for CPUs

On Thu, Mar 28, 2019 at 12:31:58PM +0100, megous@...ous.com wrote:
> From: Ondrej Jirman <megous@...ous.com>
>
> Enable to use CPUs as cooling device in the future, by adding
> "#cooling-cells" to each CPU node. This property should be present for
> all the CPUs of a cluster. 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.
>
> Signed-off-by: Ondrej Jirman <megous@...ous.com>

Applied, thanks!
Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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