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Message-ID: <3d08cf54-f58f-446f-977e-21ba65986924@linaro.org>
Date: Sat, 13 Apr 2024 12:23:47 +0200
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Subject: Re: [PATCH 2/2] dt-bindings: tpm: Add st,st33ktpm2xi2c to TCG TIS
 binding
To: Lukas Wunner <lukas@wunner.de>
Cc: "M. Haener" <michael.haener@siemens.com>,
 linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org,
 Peter Huewe <peterhuewe@gmx.de>, Jarkko Sakkinen <jarkko@kernel.org>,
 Jason Gunthorpe <jgg@ziepe.ca>, Rob Herring <robh@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>,
 Alexander Sverdlin <alexander.sverdlin@siemens.com>
References: <20240413071621.12509-1-michael.haener@siemens.com>
 <20240413071621.12509-3-michael.haener@siemens.com>
 <8c13a349-a721-44d3-9e23-2e01f4c2ca4d@linaro.org>
 <Zhpb2URMxuoilKAZ@wunner.de>
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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <Zhpb2URMxuoilKAZ@wunner.de>
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On 13/04/2024 12:18, Lukas Wunner wrote:
> 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

Command should be run on the directory, but anyway you are right. So
it's fine.

> 
> 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.

What is the second patch? Device is or is not compatible?

Best regards,
Krzysztof