linux-kernel - Re: [PATCH v4 00/10] gpio: improve support for shared GPIOs

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Message-Id: <DFK5IKWIJYLM.2CCXMRAXS0LYI@kernel.org>
Date: Fri, 09 Jan 2026 16:08:07 +0100
From: "Michael Walle" <mwalle@...nel.org>
To: "Bartosz Golaszewski" <brgl@...nel.org>
Cc: "Kees Cook" <kees@...nel.org>, "Mika Westerberg" <westeri@...nel.org>,
 "Dmitry Torokhov" <dmitry.torokhov@...il.com>, "Andrew Morton"
 <akpm@...ux-foundation.org>, "Linus Walleij" <linus.walleij@...aro.org>,
 "Manivannan Sadhasivam" <mani@...nel.org>, "Rob Herring" <robh@...nel.org>,
 "Krzysztof Kozlowski" <krzk+dt@...nel.org>, "Conor Dooley"
 <conor+dt@...nel.org>, "Saravana Kannan" <saravanak@...gle.com>, "Greg
 Kroah-Hartman" <gregkh@...uxfoundation.org>, "Andy Shevchenko"
 <andy@...nel.org>, "Catalin Marinas" <catalin.marinas@....com>, "Will
 Deacon" <will@...nel.org>, "Srinivas Kandagatla" <srini@...nel.org>, "Liam
 Girdwood" <lgirdwood@...il.com>, "Mark Brown" <broonie@...nel.org>,
 "Jaroslav Kysela" <perex@...ex.cz>, "Takashi Iwai" <tiwai@...e.com>,
 "Alexey Klimov" <alexey.klimov@...aro.org>, "Bjorn Andersson"
 <andersson@...nel.org>, "Konrad Dybcio" <konradybcio@...nel.org>,
 <linux-hardening@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
 <linux-gpio@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
 <linux-sound@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>, "Bartosz
 Golaszewski" <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v4 00/10] gpio: improve support for shared GPIOs

>> Not sure this is still valid. Because I've just learned that
>> apparently, the arm64 Image shall be made smaller and thus "need
>> a driver for rootfs" isn't a valid reason for =y anymore.
>>
>
> Is a switch to disable shared GPIO management entirely via Kconfig
> (depending on CONFIG_EXPERT) good enough for you?

I don't really need that (as I'd also need a PMIC driver, which
probably won't be accepted either as =y), maybe other do. Not sure,
up to you.

-michael

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