From: Dan Carpenter <dan.carpenter@linaro.org>
To: Josua Mayer <josua@solid-run.com>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>,
Vincent Mailhol <mailhol@kernel.org>,
Vinod Koul <vkoul@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Peter Rosin <peda@axentia.se>,
Aaro Koskinen <aaro.koskinen@iki.fi>,
Andreas Kemnade <andreas@kemnade.info>,
Kevin Hilman <khilman@baylibre.com>,
Roger Quadros <rogerq@kernel.org>,
Tony Lindgren <tony@atomide.com>,
Janusz Krzysztofik <jmkrzyszt@gmail.com>,
Vignesh R <vigneshr@ti.com>, Andi Shyti <andi.shyti@kernel.org>,
Ulf Hansson <ulf.hansson@linaro.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Magnus Damm <magnus.damm@gmail.com>,
Wolfram Sang <wsa+renesas@sang-engineering.com>,
Yazan Shhady <yazan.shhady@solid-run.com>,
Jon Nettleton <jon@solid-run.com>,
Mikhail Anikin <mikhail.anikin@solid-run.com>,
linux-can@vger.kernel.org, linux-phy@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
linux-i2c@vger.kernel.org, linux-mmc@vger.kernel.org,
devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH v7 2/7] mux: Add helper functions for getting optional and selected mux-state
Date: Tue, 3 Feb 2026 18:05:00 +0300 [thread overview]
Message-ID: <aYIOnErmiSZ6wnP1@stanley.mountain> (raw)
In-Reply-To: <20260128-rz-sdio-mux-v7-2-92ebb6da0df8@solid-run.com>
Sorry about that, I just looked at the implementation in linux-next and
didn't read the code from the patch too closely.
On Wed, Jan 28, 2026 at 04:46:10PM +0200, Josua Mayer wrote:
> +/**
> + * mux_control_get_optional() - Get the optional mux-control for a device.
> + * @dev: The device that needs a mux-control.
> + * @mux_name: The name identifying the mux-control.
> + *
> + * Return: A pointer to the mux-control, an ERR_PTR with a negative errno.
I wish the documentation for these "optional" said it could return NULL.
> + */
> +struct mux_control *mux_control_get_optional(struct device *dev, const char *mux_name)
> +{
> + return mux_get(dev, mux_name, NULL, true);
> +}
> +EXPORT_SYMBOL_GPL(mux_control_get_optional);
> +
regards,
dan carpenter
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next prev parent reply other threads:[~2026-02-03 15:05 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-28 14:46 [PATCH v7 0/7] mmc: host: renesas_sdhi_core: support configuring an optional sdio mux Josua Mayer
2026-01-28 14:46 ` [PATCH v7 1/7] phy: can-transceiver: rename temporary helper function to avoid conflict Josua Mayer
2026-01-28 14:46 ` [PATCH v7 2/7] mux: Add helper functions for getting optional and selected mux-state Josua Mayer
2026-01-29 16:06 ` Ulf Hansson
2026-01-29 16:13 ` Geert Uytterhoeven
2026-01-30 10:28 ` Ulf Hansson
2026-02-03 11:28 ` Josua Mayer
2026-02-03 11:31 ` Josua Mayer
2026-02-03 15:05 ` Dan Carpenter [this message]
2026-02-03 15:31 ` Josua Mayer
2026-01-28 14:46 ` [PATCH v7 3/7] mux: add help text for MULTIPLEXER config option Josua Mayer
2026-01-28 14:46 ` [PATCH v7 4/7] phy: can-transceiver: drop temporary helper getting optional mux-state Josua Mayer
2026-01-28 14:46 ` [PATCH v7 5/7] i2c: omap: switch to new generic helper for getting selected mux-state Josua Mayer
2026-01-28 14:46 ` [PATCH v7 6/7] dt-bindings: mmc: renesas,sdhi: Add mux-states property Josua Mayer
2026-01-28 14:46 ` [PATCH v7 7/7] mmc: host: renesas_sdhi_core: support selecting an optional mux Josua Mayer
2026-01-29 16:15 ` [PATCH v7 0/7] mmc: host: renesas_sdhi_core: support configuring an optional sdio mux Ulf Hansson
2026-01-29 18:14 ` Wolfram Sang
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