linux-kernel - Re: [PATCH v3 2/2] net: dsa: mt7530: Use GPIO polarity to generate correct reset sequence

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Message-ID: <20251204163315.rlc36k72cwfdyye6@skbuf>
Date: Thu, 4 Dec 2025 18:33:15 +0200
From: Vladimir Oltean <olteanv@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Andrew Lunn <andrew@...n.ch>, Daniel Golle <daniel@...rotopia.org>,
	Frank Wunderlich <frankwu@....de>, Chen Minqiang <ptpt52@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	"Chester A. Unal" <chester.a.unal@...nc9.com>,
	DENG Qingfang <dqfext@...il.com>,
	Sean Wang <sean.wang@...iatek.com>, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, netdev@...r.kernel.org
Subject: Re: [PATCH v3 2/2] net: dsa: mt7530: Use GPIO polarity to generate
 correct reset sequence

On Thu, Dec 04, 2025 at 04:52:53PM +0100, Krzysztof Kozlowski wrote:
> Yeah. BTW, you can also refer to one of my commits -
> 738455858a2d21b769f673892546cf8300c9fd78 - but also note that similar
> work later combined with much more useful change of gpio->gpiod API was
> rejected by Mark Brown on basis:
> 
> "No, the DT is supposed to be an ABI.  The point in having a domain
> specific language with a compiler is to allow device trees to be
> distributed independently of the kernel."
> 
> https://lore.kernel.org/all/9942c3a9-51d1-4161-8871-f6ec696cb4db@sirena.org.uk/
> 
> What's interesting, exactly the same commit for the same file, done by
> different person (Peng), introducing the same issues without addressing
> them, was then merged by Mark:
> https://patch.msgid.link/20250324-wcd-gpiod-v2-2-773f67ce3b56@nxp.com
> (commit c2d359b4acfbe847d3edcc25d3dc4e594daf9010)
> 
> so you know... it's all relative. :)

Yeah, IDK. May we all stand by our own past statements.