linux-kernel - Re: [PATCH 5.10 00/73] 5.10.213-rc1 review

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Date: Fri, 22 Mar 2024 10:48:05 +0100
From: Pavel Machek <pavel@...x.de>
To: Marek Vasut <marex@...x.de>
Cc: Pavel Machek <pavel@...x.de>, Sasha Levin <sashal@...nel.org>,
	broonie@...nel.org, tzimmermann@...e.de, omosnace@...hat.com,
	paul@...l-moore.com, yi.zhang@...wei.com, jack@...e.cz,
	tytso@....edu, linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
	lkft-triage@...ts.linaro.org
Subject: Re: [PATCH 5.10 00/73] 5.10.213-rc1 review

Hi!

> > > Marek Vasut (1):
> > >    regmap: Add bulk read/write callbacks into regmap_config
> > 
> > This one quite intrusive for the stable. Plus, at least "regmap: Add
> > missing map->bus check" is marked as fixing this one.
> 
> If there is no very good reason to include that regmap patch in stable
> backports, I would skip it, it is a feature patch. Does any backport depend
> on it ?

Well, yes and no.

Series of max310x patches depends on it:

!!a just a preparation; buggy, whole series for fixing this |ef8537927 285e76 o: 5.10| serial: max
310x: use regmap methods for SPI batch operations

...

!! whole series to fix corruption, which did not exist in 5.10 in the first place |57871c388 3f42b1 o: 5.10| serial: max310x: fix IO data corruption in batched
operations

But according to the 3f42b1, the bug did not exist in 5.10 in the
first place, so we got buggy 285e76 backported, and then fixes up-to
3f42b1 applied to fix it up.

Best regards,
								Pavel
-- 
DENX Software Engineering GmbH,        Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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