linux-kernel - Re: [PATCH 3/5] thermal: exynos: increase the number of trips for exynos542x

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Message-ID: <CANAwSgTx=vYcQ4zrcBQ=GpQ9gXJ+26T7zCF-_zLAh8SxVmcv=A@mail.gmail.com>
Date:   Wed, 18 Jul 2018 01:29:53 +0530
From:   Anand Moon <linux.amoon@...il.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Kukjin Kim <kgene@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Linux PM list <linux-pm@...r.kernel.org>,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>
Subject: Re: [PATCH 3/5] thermal: exynos: increase the number of trips for exynos542x

Hi Krzysztof,

On 17 July 2018 at 17:55, Krzysztof Kozlowski <krzk@...nel.org> wrote:
> On 17 July 2018 at 12:12, Anand Moon <linux.amoon@...il.com> wrote:
>> increase the number of trips to support more polling modes,
>> changes help supress following warning.
>>
>> [    4.231731] thermal thermal_zone0: failed to read out thermal zone (-22)
>> [    4.237190] exynos-tmu 10060000.tmu: More trip points than supported by this TMU.
>> [    4.244661] exynos-tmu 10060000.tmu: 2 trip points should be configured in polling mode.
>> [    4.254821] thermal thermal_zone1: failed to read out thermal zone (-22)
>> [    4.260370] exynos-tmu 10064000.tmu: More trip points than supported by this TMU.
>> [    4.267631] exynos-tmu 10064000.tmu: 2 trip points should be configured in polling mode.
>> [    4.277551] thermal thermal_zone2: failed to read out thermal zone (-22)
>> [    4.283090] exynos-tmu 10068000.tmu: More trip points than supported by this TMU.
>> [    4.290438] exynos-tmu 10068000.tmu: 2 trip points should be configured in polling mode.
>> [    4.300280] thermal thermal_zone3: failed to read out thermal zone (-22)
>> [    4.305711] exynos-tmu 1006c000.tmu: More trip points than supported by this TMU.
>> [    4.313171] exynos-tmu 1006c000.tmu: 2 trip points should be configured in polling mode.
>> [    4.323002] thermal thermal_zone4: failed to read out thermal zone (-22)
>>
>> CC: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
>> Signed-off-by: Anand Moon <linux.amoon@...il.com>
>
> NAK
>
> Exynos5420/5422/5800 has 4 trip points (understood as in current driver design).
>

Ok no issue.

Best Regards
-Anand