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Date: Mon, 8 Jan 2024 09:40:31 +0100
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Subject: Re: [PATCH v3 1/3] dt-bindings: spi: add spi-rx-bus-channels
 peripheral property
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To: David Lechner <dlechner@baylibre.com>, Mark Brown <broonie@kernel.org>
Cc: Jonathan Cameron <jic23@kernel.org>, linux-iio@vger.kernel.org,
 linux-spi@vger.kernel.org, devicetree@vger.kernel.org,
 Rob Herring <robh+dt@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>,
 Michael Hennerich <michael.hennerich@analog.com>,
 =?UTF-8?Q?Nuno_S=C3=A1?= <nuno.sa@analog.com>,
 Liam Girdwood <lgirdwood@gmail.com>, linux-kernel@vger.kernel.org
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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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On 08/01/2024 00:02, David Lechner wrote:
> On Sun, Jan 7, 2024 at 3:27 PM Mark Brown <broonie@kernel.org> wrote:
>>
>> On Sun, Jan 07, 2024 at 04:43:56PM +0000, Jonathan Cameron wrote:
>>> David Lechner <dlechner@baylibre.com> wrote:
>>
>>>> This adds a new spi-rx-bus-channels property to the generic spi
>>>> peripheral property bindings. This property is used to describe
>>>> devices that have parallel data output channels.
>>
>>>> This property is different from spi-rx-bus-width in that the latter
>>>> means that we are reading multiple bits of a single word at one time
>>>> while the former means that we are reading single bits of multiple words
>>>> at the same time.
>>
>>> Mark, could you take a look at this SPI binding change when you have time?
>>
>> Please submit patches using subject lines reflecting the style for the
>> subsystem, this makes it easier for people to identify relevant patches.
>> Look at what existing commits in the area you're changing are doing and
>> make sure your subject lines visually resemble what they're doing.
>> There's no need to resubmit to fix this alone.
> 
> Are you saying that `spi: dt-bindings:` should be preferred over
> `dt-bindings: spi:`?
> 
> I thought I was doing it right since I was following the guidelines of
> [1] which says:
> 
>> The preferred subject prefix for binding patches is:
>>     "dt-bindings: <binding dir>: ..."
> 
> [1]: https://www.kernel.org/doc/html//v6.7/devicetree/bindings/submitting-patches.html

There are exceptions. I documented them now:

https://lore.kernel.org/linux-devicetree/20240108083750.16350-2-krzysztof.kozlowski@linaro.org/T/#u

Best regards,
Krzysztof