linux-kernel - Re: [PATCH v9,4/7] thermal: mediatek: Add LVTS driver for mt8192 thermal zones

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Message-ID: <05fa19f7-7997-51c3-767f-c40cb321d2a4@linaro.org>
Date:   Thu, 25 Aug 2022 19:29:51 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     bchihi@...libre.com, rafael@...nel.org, rui.zhang@...el.com,
        amitk@...nel.org
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        khilman@...libre.com, mka@...omium.org, robh+dt@...nel.org,
        krzk+dt@...nel.org, matthias.bgg@...il.com, p.zabel@...gutronix.de,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, james.lo@...iatek.com,
        fan.chen@...iatek.com, louis.yu@...iatek.com,
        rex-bc.chen@...iatek.com, abailon@...libre.com
Subject: Re: [PATCH v9,4/7] thermal: mediatek: Add LVTS driver for mt8192
 thermal zones


Hi Balsam,

On 17/08/2022 10:07, bchihi@...libre.com wrote:
> From: Michael Kao <michael.kao@...iatek.com>
> 
> Add LVTS v4 (Low Voltage Thermal Sensor) driver to report junction
> temperatures in MediaTek SoC mt8192 and register the maximum temperature
> of sensors and each sensor as a thermal zone.

Thanks for your work

First of all, the patch is way too big.

The organization of the data is hard to understand.

Could you give a description of the sensors, how they are organized ?

I can see the there are 'tc' and each have a group of sensing points? Is 
that correct? Do have the 'tc's a shared clock? etc ...

I have another email with the comments inline but without more insights 
on the hardware it is difficult to review accurately. This driver looks 
more complex than the other ones I've reviewed. At least that is what 
looks like with the different macros names found.



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