linux-kernel - RE: [PATCH V2 03/10] Documentation: devicetree: thermal: da9062/61 TJUNC temperature binding

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Date:   Tue, 29 Nov 2016 11:15:38 +0000
From:   Steve Twiss <stwiss.opensource@...semi.com>
To:     Eduardo Valentin <edubezval@...il.com>
CC:     DEVICETREE <devicetree@...r.kernel.org>,
        LINUX-KERNEL <linux-kernel@...r.kernel.org>,
        LINUX-PM <linux-pm@...r.kernel.org>,
        "Mark Rutland" <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        "Guenter Roeck" <linux@...ck-us.net>,
        LINUX-INPUT <linux-input@...r.kernel.org>,
        LINUX-WATCHDOG <linux-watchdog@...r.kernel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Support Opensource <Support.Opensource@...semi.com>,
        Wim Van Sebroeck <wim@...ana.be>
Subject: RE: [PATCH V2 03/10] Documentation: devicetree: thermal: da9062/61
 TJUNC temperature binding

Hi Eduardo,

On 29 November 2016 00:59, Eduardo Valentin, wrote:
> On Wed, Oct 26, 2016 at 05:56:37PM +0100, Steve Twiss wrote:
> > +Optional properties:
> > +
> > +- dlg,tjunc-temp-polling-period-ms : Specify the polling period, measured
> > +    in milliseconds, between thermal zone device update checks.
> 
> Can you please elaborate on why you need this chip manufacture specific
> property?
> 
> Can we use the polling property of already existing in the
> Documentation/devicetree/bindings/thermal/thermal.txt
> 
> See the polling properties.

[...]
> > +			dlg,tjunc-temp-polling-period-ms = <3000>;

Agreed. There is a polling period built into the thermal core. I've discussed my
reasoning for this decision in answer to your other e-mail. Please refer to the
other discussion thread: https://lkml.org/lkml/2016/11/29/262

Regards,
Steve