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Message-ID: <3847c997-6f66-4595-6352-7ed3f4dd3f6d@linaro.org>
Date:   Mon, 21 Nov 2022 12:15:02 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Edmund Berenson <edmund.berenson@...ix.com>
Cc:     Lukasz Zemla <Lukasz.Zemla@...dward.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] dt-bindings: iio: adc: ad7923: adjust documentation

On 21/11/2022 11:45, Edmund Berenson wrote:

>>>> I would expect lower number as fallback.
>>> If I remove alone compatibility of 7924 and 7927 in the documentation,
>>
>> I don't understand. 7924 and 7927 are not compatible with each other -
>> neither in old code nor in new - so what do you want to remove?
>>
>>> I will have to remove explicit compatibility match on the driver side,
>>> correct?
>>> Just want to make sure I don't misunderstand you.
>>
>> My comment to which you responded was about order of items. Usually
>> lower number means older device and usually older device is the fallback.
> My response was meant to respond to both your comment to "deprecate
> alone compatibility" and "lower number should be fallback"
> Which I understood in the following way: because 7923, 7924 for one and
> 7927, 7928 are compatible with each other I will remove
> 7924 compatible string from driver and not add 7927 to the driver and
> only add it to the documentation.

That's not what I suggested. I said nothing about driver, I did not even
look there. I *only* asked to mark old variants as "deprecated: true".
Not remove anything from drivers as this would be obvious ABI break.


Best regards,
Krzysztof

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