linux-kernel - Re: [PATCH 1/2] dt-bindings: pwm: mediatek,mt2712: add compatible for MT7988

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Date: Fri, 16 Feb 2024 14:10:35 +0100
From: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Rafał Miłecki <zajec5@...il.com>, 
	Matthias Brugger <matthias.bgg@...il.com>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, 
	John Crispin <john@...ozen.org>, linux-pwm@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-mediatek@...ts.infradead.org, Rafał Miłecki <rafal@...ecki.pl>
Subject: Re: [PATCH 1/2] dt-bindings: pwm: mediatek,mt2712: add compatible
 for MT7988

On Wed, Feb 14, 2024 at 10:05:47AM +0100, Krzysztof Kozlowski wrote:
> On 13/02/2024 18:48, Uwe Kleine-König wrote:
> > Hello Rafał,
> > 
> > On Tue, Feb 13, 2024 at 05:46:32PM +0100, Rafał Miłecki wrote:
> >> From: Rafał Miłecki <rafal@...ecki.pl>
> >>
> >> MT7988 has on-SoC controller that can control up to 8 PWMs.
> >>
> >> Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
> > 
> > please make sure that the email address used for sending the patch
> > matches the Signed-off-by line.
> > 
> > (It depends on the pickyness of the relevant maintainer if that is a
> > stopper or not.)
> 
> Does not have to... It must match From field which is correct here.

Rafał's Signed-off matches the author, but not the sender. Together with
"the Signed-off-by: must always be that of the developer submitting the
patch." (from Documentation/process/submitting-patches.rst) I'd say it's
reasonable to request that there is a sign-off with the email matching
the sender. In my understanding the Sign-off line by the author isn't
really required because the sender can vouch for the author. Of course
this is a somewhat artificial discussion if the sender is the same
person as the author and only the email addresses differ. So this about
the strictness of the applying maintainer.

FTR:

	$  curl -s https://lore.kernel.org/linux-pwm/20240213164633.25447-1-zajec5@gmail.com/raw | grep -E '^(From|Signed-off-by):'
	From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@...il.com>
	From: Rafał Miłecki <rafal@...ecki.pl>
	Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>

the first From: is the sender, the second the author.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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