linux-kernel - Re: [PATCH v3 3/4] ARM: tegra: Add thermal trip points for Jetson TK1

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Message-ID: <53F5A1CA.1010601@nvidia.com>
Date:	Thu, 21 Aug 2014 10:37:46 +0300
From:	Mikko Perttunen <mperttunen@...dia.com>
To:	Stephen Warren <swarren@...dotorg.org>, <rui.zhang@...el.com>,
	<edubezval@...il.com>, <thierry.reding@...il.com>
CC:	<linux-pm@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 3/4] ARM: tegra: Add thermal trip points for Jetson
 TK1

On 20/08/14 22:44, Stephen Warren wrote:
> On 08/06/2014 04:25 AM, Mikko Perttunen wrote:
>> This adds critical trip points to the Jetson TK1 device tree.
>> The device will do a controlled shutdown when either the CPU, GPU
>> or MEM thermal zone reaches 101 degrees Celsius.
>
>> diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts
>> b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
>
>> +    thermal-zones {
>> +        cpu {
>> +            trips {
> ...
>> +            };
>> +        };
>
> thermal.txt states that a cooling-maps sub-node is mandatory. However,
> it seems to be missing here. Is the DT binding documentation overly
> strict, or do we need to add such a node here?

Debatable. I can add an empty one, that's probably the easiest solution.

Mikko

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