linux-kernel - RE: [PATCH v3 0/4] mux: gpio-mux: add enable GPIO support and ADG2404

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Message-ID:
 <CY4PR03MB3399926330D164F88A7A1F339B8DA@CY4PR03MB3399.namprd03.prod.outlook.com>
Date: Fri, 16 Jan 2026 15:26:00 +0000
From: "Miclaus, Antoniu" <Antoniu.Miclaus@...log.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, Johan Hovold <johan@...nel.org>
CC: Peter Rosin <peda@...ntia.se>, Rob Herring <robh@...nel.org>,
        Krzysztof
 Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Srinivas
 Kandagatla <srini@...nel.org>,
        Johan Hovold <johan+linaro@...nel.org>,
        David
 Lechner <dlechner@...libre.com>,
        "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v3 0/4] mux: gpio-mux: add enable GPIO support and ADG2404



--
Antoniu Miclăuş

> -----Original Message-----
> From: Krzysztof Kozlowski <krzk@...nel.org>
> Sent: Friday, January 16, 2026 12:32 PM
> To: Miclaus, Antoniu <Antoniu.Miclaus@...log.com>; Johan Hovold
> <johan@...nel.org>
> Cc: Peter Rosin <peda@...ntia.se>; Rob Herring <robh@...nel.org>; Krzysztof
> Kozlowski <krzk+dt@...nel.org>; Conor Dooley <conor+dt@...nel.org>;
> Srinivas Kandagatla <srini@...nel.org>; Johan Hovold
> <johan+linaro@...nel.org>; David Lechner <dlechner@...libre.com>;
> devicetree@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH v3 0/4] mux: gpio-mux: add enable GPIO support and
> ADG2404
> 
> [External]
> 
> On 16/01/2026 10:39, Miclaus, Antoniu wrote:
> >> -----Original Message-----
> >> From: Johan Hovold <johan@...nel.org>
> >> Sent: Friday, January 16, 2026 11:01 AM
> >> To: Krzysztof Kozlowski <krzk@...nel.org>
> >> Cc: Miclaus, Antoniu <Antoniu.Miclaus@...log.com>; Peter Rosin
> >> <peda@...ntia.se>; Rob Herring <robh@...nel.org>; Krzysztof Kozlowski
> >> <krzk+dt@...nel.org>; Conor Dooley <conor+dt@...nel.org>; Srinivas
> >> Kandagatla <srini@...nel.org>; Johan Hovold <johan+linaro@...nel.org>;
> >> David Lechner <dlechner@...libre.com>; devicetree@...r.kernel.org;
> linux-
> >> kernel@...r.kernel.org
> >> Subject: Re: [PATCH v3 0/4] mux: gpio-mux: add enable GPIO support and
> >> ADG2404
> >>
> >> [External]
> >>
> >> On Fri, Jan 16, 2026 at 09:37:36AM +0100, Krzysztof Kozlowski wrote:
> >>> On Thu, Jan 15, 2026 at 02:18:18PM +0200, Antoniu Miclaus wrote:
> >>>> This series extends the gpio-mux driver with optional enable GPIO
> support
> >>>> to prevent glitches during channel transitions, then adds support for the
> >>>> Analog Devices ADG2404 multiplexer as the first user of this feature.
> >>>>
> >>>> The enable GPIO allows the multiplexer to be disabled before changing
> >>>> address lines and re-enabled after, preventing brief activation of
> >>>> unintended channels during transitions. This is particularly important
> >>>> for precision analog applications.
> >>>>
> >>>> The ADG2404 is a 4:1 analog multiplexer with low 0.62Ω on-resistance
> >>>> that requires this enable GPIO functionality for glitch-free operation.
> >>>>
> >>>> Changes in v3:
> >>>>  * Extend gpio-mux driver instead of creating standalone adg2404 driver
> >>>>  * Make enable GPIO optional for backward compatibility
> >>>>  * Add MUX_IDLE_DISCONNECT support via enable GPIO
> >>>
> >>> You are developing on some old kernel. You got stale Cc list of at least
> >>> three people! How could you for example get "johan+linaro@...nel.org" -
> >>> from which maintainer entry - but that at least is not bouncing like two
> >>> others.
> >>
> >> Probably from using get_maintainer.pl --git:
> >>
> >> 	$ scripts/get_maintainer.pl --git drivers/mux/gpio.c
> >> 	Peter Rosin <peda@...ntia.se> (maintainer:MULTIPLEXER
> >> SUBSYSTEM)
> >> 	Srinivas Kandagatla <srini@...nel.org>
> >> (commit_signer:1/2=50%,authored:1/2=50%,added_lines:5/6=83%)
> >> 	Krzysztof Kozlowski <krzk@...nel.org> (commit_signer:1/2=50%)
> >> 	Bartosz Golaszewski <brgl@...nel.org> (commit_signer:1/2=50%)
> >> 	David Lechner <dlechner@...libre.com>
> >>
> (commit_signer:1/2=50%,authored:1/2=50%,added_lines:1/6=17%,removed
> >> _lines:3/3=100%)
> >> 	Johan Hovold <johan+linaro@...nel.org> (commit_signer:1/2=50%)
> >> 	linux-kernel@...r.kernel.org (open list)
> >> 	MULTIPLEXER SUBSYSTEM status: Odd Fixes
> >>
> >> A recent mailmap is indeed needed to remap Bartosz's old address,
> >> though.
> >>
> >
> > Yes, I've used "--to-cmd='./scripts/get_maintainer.pl --norolestats" when
> sending the patches.
> 
> Then how did you get non-working Bartosz and Linus' emails?

I am on torvalds/linux latest master branch now. Here is the output of ./scripts/get_maintainer.pl --norolestats: 
Peter Rosin <peda@...ntia.se>
Rob Herring <robh@...nel.org>
Krzysztof Kozlowski <krzk+dt@...nel.org>
Conor Dooley <conor+dt@...nel.org>
Antoniu Miclaus <antoniu.miclaus@...log.com>
Srinivas Kandagatla <srini@...nel.org>
Bartosz Golaszewski <brgl@...nel.org>
David Lechner <dlechner@...libre.com>
devicetree@...r.kernel.org
linux-kernel@...r.kernel.org

Regards,
> 
> Best regards,
> Krzysztof