linux-kernel - Re: [PATCH v2 1/9] dt-bindings: spi: Add spi-buses property

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Message-ID: <5bbdddaf-4ff1-4cff-a933-143160896717@baylibre.com>
Date: Thu, 14 Aug 2025 16:17:45 -0500
From: David Lechner <dlechner@...libre.com>
To: Sean Anderson <sean.anderson@...ux.dev>, Mark Brown <broonie@...nel.org>,
 Michal Simek <michal.simek@....com>, linux-spi@...r.kernel.org
Cc: Jinjie Ruan <ruanjinjie@...wei.com>,
 Miquel Raynal <miquel.raynal@...tlin.com>,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 Amit Kumar Mahapatra <amit.kumar-mahapatra@....com>
Subject: Re: [PATCH v2 1/9] dt-bindings: spi: Add spi-buses property

On 8/14/25 4:15 PM, Sean Anderson wrote:
> On 8/14/25 16:55, David Lechner wrote:
>> On 6/16/25 5:00 PM, Sean Anderson wrote:
>>> From: David Lechner <dlechner@...libre.com>
>>>
>>> Add a spi-buses property to the spi-peripheral-props binding to allow
>>> specifying the SPI bus or buses that a peripheral is connected to in
>>> cases where the SPI controller has more than one physical SPI bus.
>>>
>>> Signed-off-by: David Lechner <dlechner@...libre.com>
>>> Signed-off-by: Sean Anderson <sean.anderson@...ux.dev>
>>> ---
>>>
>> FYI, Mark's filters won't pick up `dt-bindings: spi:`, we need to change
>> the subject line to `spi: dt-bindings:` on the next revision.
>>
> 
> Sounds like he should fix his filter then.
> 
> --Sean

No, this is a documented expectation for contributors. [1] says that SPI and
a few other subsystems want the subsystem first in the subject.

[1]: https://www.kernel.org/doc/html/latest/devicetree/bindings/submitting-patches.html