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

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Message-ID: <5380b1bc-f3c6-a0ef-e458-7509d95d631e@ti.com>
Date:   Thu, 30 Mar 2017 08:59:31 +0530
From:   Keerthy <j-keerthy@...com>
To:     Eduardo Valentin <edubezval@...il.com>,
        Tony Lindgren <tony@...mide.com>
CC:     <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



On Wednesday 29 March 2017 10:07 AM, Eduardo Valentin wrote:
> 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/

Yes. I retrieved the negative values nicely in the driver passed via
Device Tree.

> 
>>>>>
>>>>> 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.

I am getting negative co-efficients.

> 
> 
>>
>> Thanks,
>>
>> Tony