linux-kernel - [PATCH v4 4/7] phy: can-transceiver: drop temporary helper getting optional mux-state

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Message-Id: <20251229-rz-sdio-mux-v4-4-a023e55758fe@solid-run.com>
Date: Mon, 29 Dec 2025 15:27:28 +0100
From: Josua Mayer <josua@...id-run.com>
To: Ulf Hansson <ulf.hansson@...aro.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>,
 Wolfram Sang <wsa+renesas@...g-engineering.com>,
 Marc Kleine-Budde <mkl@...gutronix.de>,
 Vincent Mailhol <mailhol@...nel.org>, Vinod Koul <vkoul@...nel.org>,
 Kishon Vijay Abraham I <kishon@...nel.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>,
 Vignesh R <vigneshr@...com>, Janusz Krzysztofik <jmkrzyszt@...il.com>,
 Andi Shyti <andi.shyti@...nel.org>,
 Neil Armstrong <neil.armstrong@...aro.org>
Cc: Mikhail Anikin <mikhail.anikin@...id-run.com>,
 Yazan Shhady <yazan.shhady@...id-run.com>,
 Jon Nettleton <jon@...id-run.com>, linux-mmc@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-renesas-soc@...r.kernel.org, linux-can@...r.kernel.org,
 linux-phy@...ts.infradead.org, linux-omap@...r.kernel.org,
 linux-i2c@...r.kernel.org, Josua Mayer <josua@...id-run.com>
Subject: [PATCH v4 4/7] phy: can-transceiver: drop temporary helper getting
 optional mux-state

Multiplexer subsystem has now added helpers for getting managed optional
mux-state.

Switch to the new devm_mux_state_get_optional helper.

This change is only compile-tested.

Acked-by: Vinod Koul <vkoul@...nel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
Signed-off-by: Josua Mayer <josua@...id-run.com>
---
 drivers/phy/phy-can-transceiver.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/phy/phy-can-transceiver.c b/drivers/phy/phy-can-transceiver.c
index 81591d2471282..2b52e47f247a2 100644
--- a/drivers/phy/phy-can-transceiver.c
+++ b/drivers/phy/phy-can-transceiver.c
@@ -126,16 +126,6 @@ static const struct of_device_id can_transceiver_phy_ids[] = {
 };
 MODULE_DEVICE_TABLE(of, can_transceiver_phy_ids);
 
-/* Temporary wrapper until the multiplexer subsystem supports optional muxes */
-static inline struct mux_state *
-temp_devm_mux_state_get_optional(struct device *dev, const char *mux_name)
-{
-	if (!of_property_present(dev->of_node, "mux-states"))
-		return NULL;
-
-	return devm_mux_state_get(dev, mux_name);
-}
-
 static struct phy *can_transceiver_phy_xlate(struct device *dev,
 					     const struct of_phandle_args *args)
 {
@@ -183,7 +173,7 @@ static int can_transceiver_phy_probe(struct platform_device *pdev)
 	priv->num_ch = num_ch;
 	platform_set_drvdata(pdev, priv);
 
-	mux_state = temp_devm_mux_state_get_optional(dev, NULL);
+	mux_state = devm_mux_state_get_optional(dev, NULL);
 	if (IS_ERR(mux_state))
 		return PTR_ERR(mux_state);
 

-- 
2.51.0