linux-kernel - Re: [PATCH v7 0/7] mmc: host: renesas_sdhi_core: support configuring an optional sdio mux

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Message-ID: <aXujn-jpKLcBeFPE@shikoro>
Date: Thu, 29 Jan 2026 19:14:55 +0100
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: Ulf Hansson <ulf.hansson@...aro.org>
Cc: Josua Mayer <josua@...id-run.com>,
	Marc Kleine-Budde <mkl@...gutronix.de>,
	Vincent Mailhol <mailhol@...nel.org>, Vinod Koul <vkoul@...nel.org>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Peter Rosin <peda@...ntia.se>, Aaro Koskinen <aaro.koskinen@....fi>,
	Andreas Kemnade <andreas@...nade.info>,
	Kevin Hilman <khilman@...libre.com>,
	Roger Quadros <rogerq@...nel.org>, Tony Lindgren <tony@...mide.com>,
	Janusz Krzysztofik <jmkrzyszt@...il.com>,
	Vignesh R <vigneshr@...com>, Andi Shyti <andi.shyti@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	Yazan Shhady <yazan.shhady@...id-run.com>,
	Jon Nettleton <jon@...id-run.com>,
	Mikhail Anikin <mikhail.anikin@...id-run.com>,
	linux-can@...r.kernel.org, linux-phy@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	linux-i2c@...r.kernel.org, linux-mmc@...r.kernel.org,
	devicetree@...r.kernel.org, linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH v7 0/7] mmc: host: renesas_sdhi_core: support configuring
 an optional sdio mux

On Thu, Jan 29, 2026 at 05:15:06PM +0100, Ulf Hansson wrote:
> On Wed, 28 Jan 2026 at 15:46, Josua Mayer <josua@...id-run.com> wrote:
> >
> > Some Renesas SoC based boards mux SD and eMMC on a single sdio
> > controller, exposing user control by dip switch and software control by
> > gpio.
> >
> > Purpose is to simplify development and provisioning by selecting boot
> > media at power-on, and again before starting linux.
> >
> > Add binding and driver support for linking a (gpio) mux to renesas sdio
> > controller.
> >
> > Introduce generic helper functions for getting managed and selected
> > mux-state objects, and switch i2c-omap and phy-can-transceiver drivers.
> >
> > Signed-off-by: Josua Mayer <josua@...id-run.com>
> 
> This series needs to go together in some way. If you like, I can
> funnel it via my mmc tree, unless someone (Wolfram for the i2c part?)
> has objections to this of course.

No objections, I even acked the I2C patch in a previous series. Since
the series changed because of some of my suggestions, I want to have
another look at it. But yes, your tree sounds very reasonable.