Re: [PATCH v5 1/6] dt-bindings: thermal: mediatek: Rename thermal zone definitions for MT8186 and MT8188

From: Conor Dooley <conor@kernel.org>
To: Nicolas Pitre <npitre@baylibre.com>
Cc: Julien Panis <jpanis@baylibre.com>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Zhang Rui <rui.zhang@intel.com>,
	Lukasz Luba <lukasz.luba@arm.com>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-pm@vger.kernel.org
Subject: Re: [PATCH v5 1/6] dt-bindings: thermal: mediatek: Rename thermal zone definitions for MT8186 and MT8188
Date: Mon, 27 May 2024 22:07:28 +0100	[thread overview]
Message-ID: <20240527-reclusive-elderly-5b2d6bfee6b9@spud> (raw)
In-Reply-To: <r9q3n5n4-4pqn-53so-4n65-33p432530793@onlyvoer.pbz>

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On Mon, May 27, 2024 at 04:57:15PM -0400, Nicolas Pitre wrote:
> On Mon, 27 May 2024, Conor Dooley wrote:

> > > Would Russell's suggestion be acceptable for you ?
> > > I mean, this one:
> > > https://lore.kernel.org/all/ZlDMNkdE2jmFgD8B@shell.armlinux.org.uk/
> > > 
> > > I could implement it, but before submitting it I would like to make
> > > sure that it suits everyone.
> > 
> > How's that going to work? MT8188_AP_GPU1 currently means 1, after your
> > series it means 2.
> > You're gonna need to pick a different naming for the new defines to
> > avoid that. Additionally, why even delete the old ones? Just define
> > new names with the same numbering and you don't need to worry about
> > any compatibility issues.
> 
> Isn't this making a mountain out of a molehill here?
> 
> Seriously... none of this was present in a released kernel. The naming 
> can be adjusted "atomically" so compilation doesn't break, and 
> it is within maintainers' discretion to bypass the checkpatch warning in 
> such particular case.

If that's the case, then great. Provide a fixes tag, and a better commit
message than "Use thermal zone names that make more sense." that
actually explains why it is okay to change the definitions. There'd've
been neither mountain nor molehill were a sufficient commit message
provided.

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