linux-kernel - Re: [PATCH v3 4/4] thermal: Add Tegra SOCTHERM thermal management driver

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Date:	Thu, 21 Aug 2014 10:39:53 +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 4/4] thermal: Add Tegra SOCTHERM thermal management
 driver



On 20/08/14 22:50, Stephen Warren wrote:
> On 08/06/2014 04:25 AM, Mikko Perttunen wrote:
>> This adds support for the Tegra SOCTHERM thermal sensing and management
>> system found in the Tegra124 system-on-chip. This initial driver supports
>> temperature polling for four thermal zones.
>
> Since both the Tegra DT patches and this driver all rely on a new header
> added by patch 1/4, I guess this whole series needs to be applied in one
> branch. I think it makes sense to apply it to the Tegra since it's
> likely to have more conflicts there and fewer in the thermal
> maintainer's tree. It can be applied in a topic branch that can be
> merged into the thermal maintainer's tree if required to resolve
> conflicts there.
>
> Rui, Eduardo, do you agree?
>
>> diff --git a/drivers/thermal/tegra_soctherm.c
>> b/drivers/thermal/tegra_soctherm.c
>
>> +static struct of_device_id tegra_soctherm_of_match[] = {
>> +    { .compatible = "nvidia,tegra124-soctherm" },
>> +    { },
>> +};
>> +MODULE_DEVICE_TABLE(of, tegra_soctherm_of_match);
>> +
>> +static int thermctl_temp_offsets[] = {
>> +    SENSOR_TEMP1, SENSOR_TEMP2, SENSOR_TEMP1, SENSOR_TEMP2
>> +};
>> +
>> +static int thermctl_temp_shifts[] = {
>> +    16, 16, 0, 0
>> +};
>
> Can any/all of those be const?

Yes!

>
> I don't pretend to know anything about the soctherm HW, but I see no
> gross issues in the code structure, so,
> Acked-by: Stephen Warren <swarren@...dia.com>

Thanks; I'll need to do a v5 anyway, so I'll fix the things you 
mentioned while doing it.

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