linux-kernel - Re: [PATCH 2/2] dt-bindings: tpm: Add st,st33ktpm2xi2c to TCG TIS binding

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Date: Sat, 13 Apr 2024 12:18:01 +0200
From: Lukas Wunner <lukas@...ner.de>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: "M. Haener" <michael.haener@...mens.com>,
	linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
	Peter Huewe <peterhuewe@....de>,
	Jarkko Sakkinen <jarkko@...nel.org>, Jason Gunthorpe <jgg@...pe.ca>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Alexander Sverdlin <alexander.sverdlin@...mens.com>
Subject: Re: [PATCH 2/2] dt-bindings: tpm: Add st,st33ktpm2xi2c to TCG TIS
 binding

On Sat, Apr 13, 2024 at 10:10:49AM +0200, Krzysztof Kozlowski wrote:
> Please use subject prefixes matching the subsystem. You can get them for
> example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
> your patch is touching.

To be fair, "dt-bindings: tpm: " is actually the only prefix used
so far for the file that's touched here:

$ git log --oneline Documentation/devicetree/bindings/tpm/tcg,tpm-tis-i2c.yaml 
26c9d15 dt-bindings: tpm: Consolidate TCG TIS bindings

Personally I don't think we need to differentiate between spi/i2c/mmio
bindings in the prefix, so the prefix used by Michael seems fine.


> A nit, subject: drop second/last, redundant "binding". The "dt-bindings"
> prefix is already stating that these are bindings.
> See also:
> https://elixir.bootlin.com/linux/v6.7-rc8/source/Documentation/devicetree/bindings/submitting-patches.rst#L18

Right, so maybe just:

dt-bindings: tpm: Add st,st33ktpm2xi2c

?


> I got only one patch, but if these are compatible, why do you need
> second patch? Plus binding come before users.

Right, the order of the patches needs to be reversed it seems.

Thanks,

Lukas