linux-kernel - Re: [PATCH 0/3] ARM: st: use a correct pwr compatible for stm32mp15

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Message-ID: <20240425163035.GA2783061-robh@kernel.org>
Date: Thu, 25 Apr 2024 11:30:35 -0500
From: Rob Herring <robh@...nel.org>
To: Patrick Delaunay <patrick.delaunay@...s.st.com>
Cc: Alexandre TORGUE <alexandre.torgue@...s.st.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Olivier Moysan <olivier.moysan@...s.st.com>,
	Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>,
	Pascal Paillet <p.paillet@...s.st.com>, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com
Subject: Re: [PATCH 0/3] ARM: st: use a correct pwr compatible for stm32mp15

On Thu, Apr 25, 2024 at 09:48:31AM +0200, Patrick Delaunay wrote:
> 
> This patchset removes the unexpected comma in the PWR compatible
> "st,stm32mp1,pwr-reg" and uses a new compatible "st,stm32mp1-pwr-reg"
> in STM3MP15 device trees.

Why? I don't see any warnings from this. Yes, we wouldn't new cases 
following this pattern, but I don't think it is worth maintaining 
support for both strings. We're stuck with it. And the only way to 
maintain forward compatibility is:

compatible = "st,stm32mp1-pwr-reg", "st,stm32mp1,pwr-reg";

Rob