linux-kernel - [net-next PATCH v12 08/13] net: mdio: regmap: add OF support

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Message-ID: <20250309172717.9067-9-ansuelsmth@gmail.com>
Date: Sun,  9 Mar 2025 18:26:53 +0100
From: Christian Marangi <ansuelsmth@...il.com>
To: Lee Jones <lee@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Christian Marangi <ansuelsmth@...il.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Vladimir Oltean <olteanv@...il.com>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Maxime Chevallier <maxime.chevallier@...tlin.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	netdev@...r.kernel.org,
	upstream@...oha.com
Subject: [net-next PATCH v12 08/13] net: mdio: regmap: add OF support

Permit to pass the device node pointer to mdio regmap config and permit
mdio registration with an OF node to support DT PHY probe.

With the device node pointer NULL, the normal mdio registration is used.

Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
---
 drivers/net/mdio/mdio-regmap.c   | 2 +-
 include/linux/mdio/mdio-regmap.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/mdio/mdio-regmap.c b/drivers/net/mdio/mdio-regmap.c
index 8bfcd9e415c8..329839ab68e6 100644
--- a/drivers/net/mdio/mdio-regmap.c
+++ b/drivers/net/mdio/mdio-regmap.c
@@ -90,7 +90,7 @@ struct mii_bus *devm_mdio_regmap_register(struct device *dev,
 	else
 		mii->phy_mask = ~0;
 
-	rc = devm_mdiobus_register(dev, mii);
+	rc = devm_of_mdiobus_register(dev, mii, config->np);
 	if (rc) {
 		dev_err(config->parent, "Cannot register MDIO bus![%s] (%d)\n", mii->id, rc);
 		return ERR_PTR(rc);
diff --git a/include/linux/mdio/mdio-regmap.h b/include/linux/mdio/mdio-regmap.h
index 8c7061e39ccb..23fc2dd9d752 100644
--- a/include/linux/mdio/mdio-regmap.h
+++ b/include/linux/mdio/mdio-regmap.h
@@ -22,6 +22,7 @@ struct regmap;
 
 struct mdio_regmap_config {
 	struct device *parent;
+	struct device_node *np;
 	struct regmap *regmap;
 	char name[MII_BUS_ID_SIZE];
 	u8 valid_addr;
-- 
2.48.1