linux-kernel - RE: [PATCH v2] arm64: dts: ls1088a: add one more thermal zone node

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Message-ID: <VI1PR04MB4333256C38E6DEDD3E0F303AF3420@VI1PR04MB4333.eurprd04.prod.outlook.com>
Date:   Thu, 21 Mar 2019 01:05:29 +0000
From:   Andy Tang <andy.tang@....com>
To:     Shawn Guo <shawnguo@...nel.org>
CC:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Leo Li <leoyang.li@....com>,
        "edubezval@...il.com" <edubezval@...il.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "rui.zhang@...el.com" <rui.zhang@...el.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH v2] arm64: dts: ls1088a: add one more thermal zone node



> -----Original Message-----
> From: Shawn Guo <shawnguo@...nel.org>
> Sent: 2019年3月20日 22:49
> To: Andy Tang <andy.tang@....com>
> Cc: Daniel Lezcano <daniel.lezcano@...aro.org>; mark.rutland@....com;
> devicetree@...r.kernel.org; linux-pm@...r.kernel.org;
> linux-kernel@...r.kernel.org; Leo Li <leoyang.li@....com>;
> edubezval@...il.com; robh+dt@...nel.org; rui.zhang@...el.com;
> linux-arm-kernel@...ts.infradead.org
> Subject: Re: [PATCH v2] arm64: dts: ls1088a: add one more thermal zone node
> 
> On Wed, Mar 20, 2019 at 08:44:18AM +0000, Andy Tang wrote:
> > > > Sensor ID		placement
> > > > 1			DDR controller 1
> > > > 2			DDR controller 2
> > > > 3			DDR controller 3
> > > > 4			core cluster 1
> > > > 5 		core cluster 2
> > > > 6 		core cluster 3
> > > > 7 		core cluster 4
> > > >
> > > > Apparently using CPU or CPU-cluster is not appropriate. Core-cluster is
> better.
> > >
> > > So using CPU is appropriate for me, less confusing, more consistent
> > > with other platforms.
> > What about core cluster? We can't name it cpu0, cpu1 etc I think.
> 
> Hmm, yes, that would be even more confusing.  What about cpu-thermal-1,
> cpu-thermal-2 ...?
Cpu-thermal-x can't change anything better than cpuX. It can't reflect the concept of CLUSTER.
I prefer to use core-cluster. It is a wild accepted term in ARM ecosystem.

BR,
Andy
> 
> Shawn