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Tue, 03 Feb 2026 07:05:04 -0800 (PST) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8dbf2ed6f8sm1049398466b.65.2026.02.03.07.05.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Feb 2026 07:05:03 -0800 (PST) Date: Tue, 3 Feb 2026 18:05:00 +0300 From: Dan Carpenter To: Josua Mayer Cc: Marc Kleine-Budde , Vincent Mailhol , Vinod Koul , Neil Armstrong , Peter Rosin , Aaro Koskinen , Andreas Kemnade , Kevin Hilman , Roger Quadros , Tony Lindgren , Janusz Krzysztofik , Vignesh R , Andi Shyti , Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Wolfram Sang , Yazan Shhady , Jon Nettleton , Mikhail Anikin , 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 Message-ID: References: <20260128-rz-sdio-mux-v7-0-92ebb6da0df8@solid-run.com> <20260128-rz-sdio-mux-v7-2-92ebb6da0df8@solid-run.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20260128-rz-sdio-mux-v7-2-92ebb6da0df8@solid-run.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260203_070506_415519_CABD6573 X-CRM114-Status: GOOD ( 13.77 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org 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 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy