linux-kernel - Re: [PATCH v5 2/3] thermal: mediatek: Add LVTS drivers for SoC theraml zones

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Message-ID: <1f92b245537d6390b7b2bde62ce8b99a3df9d445.camel@mediatek.com>
Date:   Fri, 23 Jul 2021 14:17:25 +0800
From:   Ben Tseng <ben.tseng@...iatek.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Fan Chen <fan.chen@...iatek.com>,
        Zhang Rui <rui.zhang@...el.com>, <linux-pm@...r.kernel.org>,
        <srv_heupstream@...iatek.com>
CC:     Eduardo Valentin <edubezval@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "Matthias Brugger" <matthias.bgg@...il.com>, <hsinyi@...omium.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        Michael Kao <michael.kao@...iatek.com>,
        Yu-Chia Chang <ethan.chang@...iatek.com>
Subject: Re: [PATCH v5 2/3] thermal: mediatek: Add LVTS drivers for SoC
 theraml zones

On Mon, 2021-06-21 at 13:26 +0200, Daniel Lezcano wrote:
> On 17/06/2021 13:47, Ben Tseng wrote:
> > From: Michael Kao <michael.kao@...iatek.com>
> > 
> > Add a LVTS (Low voltage thermal sensor) driver to report junction
> > temperatures in Mediatek SoC and register the maximum temperature
> > of sensors and each sensor as a thermal zone.
> 
> I think we already talked about that. We don't want a thermal sensor
> driver to aggregate the temperatures but create some kindof virtual
> sensor with a property (min, max, avg, ...) which is usable by
> anyone.
> 
> [ ... ]
> 
> 
> 

Dear Daniel,

Sorry for the late reply.

After survey ,I'm not sure whether the patch[1] is the architecture of
virtual thermal sensor which you commented.

Or, is there any existing framework on mainline already support virtual
sensor?
Could you help to provide reference to us?
Thank you so much.

[1] 
https://patchwork.kernel.org/project/linux-pm/patch/1606466204-31657-1-git-send-email-gao.yunxiao6@gmail.com/

BRs
Ben