linux-kernel - Re: [PATCH v3 27/30] ARM: dts: sun8i: h3: use calibration for ths

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Message-ID: <55579dd6-625d-e71b-1482-4592dccac665@gmail.com>
Date:   Thu, 6 Sep 2018 13:47:47 +0200
From:   Philipp Rossak <embed3d@...il.com>
To:     Emmanuel Vadot <manu@...ouilliste.com>
Cc:     lee.jones@...aro.org, robh+dt@...nel.org, mark.rutland@....com,
        maxime.ripard@...tlin.com, wens@...e.org, linux@...linux.org.uk,
        jic23@...nel.org, knaack.h@....de, lars@...afoo.de,
        pmeerw@...erw.net, eugen.hristev@...rochip.com,
        rdunlap@...radead.org, vilhelm.gray@...il.com,
        clabbe.montjoie@...il.com, quentin.schulz@...tlin.com,
        geert+renesas@...der.be, lukas@...ner.de, icenowy@...c.io,
        arnd@...db.de, broonie@...nel.org, arnaud.pouliquen@...com,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-sunxi@...glegroups.com, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 27/30] ARM: dts: sun8i: h3: use calibration for ths

On 04.09.2018 18:46, Emmanuel Vadot wrote:
>> +			/* Data cells */
>> +			thermal_calibration: calib@234 {
>> +				reg = <0x234 0x8>;
>> +			};
>   You are declaring 8 bytes of calibration data but to my knowledge it's
> only 2 bytes per sensor, so 2 bytes for H3.
>   Am I missing something ?
> 
>   Thanks,

Emmanuel you are right, it is 2 bytes per Sensor and should be 2 bytes 
for H3, but the thermal calibration data field is on all chips 64 bit 
wide - so 8 bytes. So I'm reading here the complete calibration data field.

Philipp