linux-kernel - Re: [PATCH 1/3] ARM: dts: imx6q: Add missing cooling device properties for CPUs

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Message-ID: <20191028084148.GV16985@dragon>
Date:   Mon, 28 Oct 2019 16:41:49 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Anson Huang <Anson.Huang@....com>
Cc:     robh+dt@...nel.org, mark.rutland@....com, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Linux-imx@....com
Subject: Re: [PATCH 1/3] ARM: dts: imx6q: Add missing cooling device
 properties for CPUs

On Thu, Oct 24, 2019 at 10:34:23AM +0800, Anson Huang wrote:
> The cooling device properties "#cooling-cells" 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.
> 
> Signed-off-by: Anson Huang <Anson.Huang@....com>

Applied all, thanks.