linux-kernel - Re: [PATCH 3/3] doc: iio: pressure: ms5611: added max SPI frequency setting to the example

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Message-ID: <CACbQKWdyE2Q7wya4JwAv2+9-1M3oSrB3YfR+qfM3M7TiHjukew@mail.gmail.com>
Date:   Thu, 20 Oct 2022 07:40:06 +0200
From:   Mitja Špes <mitja@...av.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     linux-iio@...r.kernel.org, Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Tomasz Duszynski <tduszyns@...il.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] doc: iio: pressure: ms5611: added max SPI frequency
 setting to the example

On Wed, Oct 19, 2022 at 5:49 PM Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:

> Use subject prefixes matching the subsystem (git log --oneline -- ...).

Will do.

> Whether it is honored by driver it matters less. More important is how
> hardware can handle it. This should be included in the bindings/properties.

The hardware handles frequencies up to 20MHz. That constraint is already
written in meas,ms5611.yaml.
What my patch 2 does is allow the user to set a lower frequency and the patch
3 just emphasises that in the example.

Kind regards,
Mitja