linux-kernel - Re: [PATCH v2 0/8] thermal: ti-soc-thermal: Migrate slope/offset data to device tree

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Message-ID: <20170329043753.GB1596@localhost.localdomain>
Date:   Tue, 28 Mar 2017 21:37:55 -0700
From:   Eduardo Valentin <edubezval@...il.com>
To:     Tony Lindgren <tony@...mide.com>
Cc:     Keerthy <j-keerthy@...com>, rui.zhang@...el.com,
        linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        robh+dt@...nel.org, t-kristo@...com
Subject: Re: [PATCH v2 0/8] thermal: ti-soc-thermal: Migrate slope/offset
 data to device tree

Keerthy,

On Fri, Mar 24, 2017 at 07:26:10AM -0700, Tony Lindgren wrote:
> * Keerthy <j-keerthy@...com> [170323 20:29]:
> > 
> > 
> > On Friday 24 March 2017 02:22 AM, Tony Lindgren wrote:
> > > * Keerthy <j-keerthy@...com> [170321 20:45]:
> > >>
> > >>
> > >> On Thursday 09 March 2017 01:35 PM, Keerthy wrote:
> > >>> Currently the slope and offset values for calculating the
> > >>> hot spot temperature of a particular thermal zone is part
> > >>> of driver data. Pass them here instead and obtain the values
> > >>> while of node parsing.
> > >>>
> > >>> Tested for the slope and constant values on DRA7-EVM, OMAP3-BEAGLE. 

Have you tried on boards that need negative coefficients?

https://patchwork.kernel.org/patch/9619577/

> > >>
> > >> Hi Eduardo,
> > >>
> > >> If the series looks okay could you please pull this?
> > > 
> > > Also.. Are the dts changes safe for me to pick separately?
> > 
> > Yes Tony they are safe to pulled separately.
> 
> OK applying patches 1 - 5 of this series into omap-for-v4.12/dt-v2.

Keerthy,

The only thing I want you to confirm is if you are really getting the
negative coefficients, because currently of-thermal reads the array
using an OF helper that understands only unsigned. For this reason, I
will be queueing your patches only for next merge window, not as a fix,
not for rc's.


> 
> Thanks,
> 
> Tony