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

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Message-ID: <a44cadfe-5e9d-8c6a-b111-abd550a909bf@linaro.org>
Date:   Wed, 19 Oct 2022 11:49:46 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Mitja Spes <mitja@...av.com>, linux-iio@...r.kernel.org,
        Jonathan Cameron <jic23@...nel.org>
Cc:     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 19/10/2022 08:52, Mitja Spes wrote:
> Added max SPI frequency setting to the example. It is now honored by the
> driver.

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

Please use scripts/get_maintainers.pl to get a list of necessary people
and lists to CC.  It might happen, that command when run on an older
kernel, gives you outdated entries.  Therefore please be sure you base
your patches on recent Linux kernel.

> 
> Signed-off-by: Mitja Spes <mitja@...av.com>
> ---
>  Documentation/devicetree/bindings/iio/pressure/meas,ms5611.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/pressure/meas,ms5611.yaml b/Documentation/devicetree/bindings/iio/pressure/meas,ms5611.yaml
> index 4f06707450bf..08bd06e6dabe 100644
> --- a/Documentation/devicetree/bindings/iio/pressure/meas,ms5611.yaml
> +++ b/Documentation/devicetree/bindings/iio/pressure/meas,ms5611.yaml
> @@ -52,6 +52,7 @@ examples:
>              compatible = "meas,ms5611";
>              reg = <0>;
>              vdd-supply = <&ldo_3v3_gnss>;
> +            spi-max-frequency = <20000000>;

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.

Best regards,
Krzysztof