diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst
index e0b58c392e4f9..eaaaafc21134f 100644
--- a/Documentation/driver-api/driver-model/devres.rst
+++ b/Documentation/driver-api/driver-model/devres.rst
@@ -342,7 +342,8 @@ LED
 MDIO
   devm_mdiobus_alloc()
   devm_mdiobus_alloc_size()
-  devm_mdiobus_free()
+  devm_mdiobus_register()
+  devm_of_mdiobus_register()
 
 MEM
   devm_free_pages()
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 254486e6b09d2..fabdca9aadaef 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -11173,10 +11173,14 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 			IXGBE_LINK_SPEED_10GB_FULL | IXGBE_LINK_SPEED_1GB_FULL,
 			true);
 
-	ixgbe_mii_bus_init(hw);
+	err = ixgbe_mii_bus_init(hw);
+	if (err)
+		goto err_netdev;
 
 	return 0;
 
+err_netdev:
+	unregister_netdev(netdev);
 err_register:
 	ixgbe_release_hw_control(adapter);
 	ixgbe_clear_interrupt_scheme(adapter);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
index 2fb97967961c4..7980d7265e106 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
@@ -905,7 +905,6 @@ s32 ixgbe_mii_bus_init(struct ixgbe_hw *hw)
 	struct pci_dev *pdev = adapter->pdev;
 	struct device *dev = &adapter->netdev->dev;
 	struct mii_bus *bus;
-	int err = -ENODEV;
 
 	bus = devm_mdiobus_alloc(dev);
 	if (!bus)
@@ -923,7 +922,7 @@ s32 ixgbe_mii_bus_init(struct ixgbe_hw *hw)
 	case IXGBE_DEV_ID_X550EM_A_1G_T:
 	case IXGBE_DEV_ID_X550EM_A_1G_T_L:
 		if (!ixgbe_x550em_a_has_mii(hw))
-			goto ixgbe_no_mii_bus;
+			return -ENODEV;
 		bus->read = &ixgbe_x550em_a_mii_bus_read;
 		bus->write = &ixgbe_x550em_a_mii_bus_write;
 		break;
@@ -948,15 +947,8 @@ s32 ixgbe_mii_bus_init(struct ixgbe_hw *hw)
 	 */
 	hw->phy.mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_SUPPORTS_C22;
 
-	err = mdiobus_register(bus);
-	if (!err) {
-		adapter->mii_bus = bus;
-		return 0;
-	}
-
-ixgbe_no_mii_bus:
-	devm_mdiobus_free(dev, bus);
-	return err;
+	adapter->mii_bus = bus;
+	return mdiobus_register(bus);
 }
 
 /**
diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c
index 3e765bdcf9e12..13250553263b5 100644
--- a/drivers/net/ethernet/mediatek/mtk_star_emac.c
+++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c
@@ -1389,7 +1389,7 @@ static int mtk_star_mdio_init(struct net_device *ndev)
 	priv->mii->write = mtk_star_mdio_write;
 	priv->mii->priv = priv;
 
-	ret = of_mdiobus_register(priv->mii, mdio_node);
+	ret = devm_of_mdiobus_register(dev, priv->mii, mdio_node);
 
 out_put_node:
 	of_node_put(mdio_node);
@@ -1441,13 +1441,6 @@ static void mtk_star_clk_disable_unprepare(void *data)
 	clk_bulk_disable_unprepare(MTK_STAR_NCLKS, priv->clks);
 }
 
-static void mtk_star_mdiobus_unregister(void *data)
-{
-	struct mtk_star_priv *priv = data;
-
-	mdiobus_unregister(priv->mii);
-}
-
 static int mtk_star_probe(struct platform_device *pdev)
 {
 	struct device_node *of_node;
@@ -1549,10 +1542,6 @@ static int mtk_star_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	ret = devm_add_action_or_reset(dev, mtk_star_mdiobus_unregister, priv);
-	if (ret)
-		return ret;
-
 	ret = eth_platform_get_mac_address(dev, ndev->dev_addr);
 	if (ret || !is_valid_ether_addr(ndev->dev_addr))
 		eth_hw_addr_random(ndev);
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 07a33af1f64ea..745e1739e9c8a 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -5012,7 +5012,7 @@ static int r8169_mdio_register(struct rtl8169_private *tp)
 	new_bus->read = r8169_mdio_read_reg;
 	new_bus->write = r8169_mdio_write_reg;
 
-	ret = devm_mdiobus_register(new_bus);
+	ret = devm_mdiobus_register(&pdev->dev, new_bus);
 	if (ret)
 		return ret;
 
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index dc9e53b511d6e..c9a9adf194d50 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -4,6 +4,7 @@
 libphy-y			:= phy.o phy-c45.o phy-core.o phy_device.o \
 				   linkmode.o
 mdio-bus-y			+= mdio_bus.o mdio_device.o
+mdio-devres-y			+= mdio_devres.o
 
 ifdef CONFIG_MDIO_DEVICE
 obj-y				+= mdio-boardinfo.o
@@ -17,6 +18,7 @@ libphy-y			+= $(mdio-bus-y)
 else
 obj-$(CONFIG_MDIO_DEVICE)	+= mdio-bus.o
 endif
+obj-$(CONFIG_MDIO_DEVICE)	+= mdio-devres.o
 libphy-$(CONFIG_SWPHY)		+= swphy.o
 libphy-$(CONFIG_LED_TRIGGER_PHY)	+= phy_led_triggers.o
 
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 134f82d72da80..46b33701ad4b0 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -165,79 +165,6 @@ struct mii_bus *mdiobus_alloc_size(size_t size)
 }
 EXPORT_SYMBOL(mdiobus_alloc_size);
 
-static void _devm_mdiobus_free(struct device *dev, void *res)
-{
-	struct mii_bus *bus = *(struct mii_bus **)res;
-
-	if (bus->is_managed_registered && bus->state == MDIOBUS_REGISTERED)
-		mdiobus_unregister(bus);
-
-	mdiobus_free(bus);
-}
-
-static int devm_mdiobus_match(struct device *dev, void *res, void *data)
-{
-	struct mii_bus **r = res;
-
-	if (WARN_ON(!r || !*r))
-		return 0;
-
-	return *r == data;
-}
-
-/**
- * devm_mdiobus_alloc_size - Resource-managed mdiobus_alloc_size()
- * @dev:		Device to allocate mii_bus for
- * @sizeof_priv:	Space to allocate for private structure.
- *
- * Managed mdiobus_alloc_size. mii_bus allocated with this function is
- * automatically freed on driver detach.
- *
- * If an mii_bus allocated with this function needs to be freed separately,
- * devm_mdiobus_free() must be used.
- *
- * RETURNS:
- * Pointer to allocated mii_bus on success, NULL on failure.
- */
-struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv)
-{
-	struct mii_bus **ptr, *bus;
-
-	ptr = devres_alloc(_devm_mdiobus_free, sizeof(*ptr), GFP_KERNEL);
-	if (!ptr)
-		return NULL;
-
-	/* use raw alloc_dr for kmalloc caller tracing */
-	bus = mdiobus_alloc_size(sizeof_priv);
-	if (bus) {
-		*ptr = bus;
-		devres_add(dev, ptr);
-		bus->is_managed = 1;
-	} else {
-		devres_free(ptr);
-	}
-
-	return bus;
-}
-EXPORT_SYMBOL_GPL(devm_mdiobus_alloc_size);
-
-/**
- * devm_mdiobus_free - Resource-managed mdiobus_free()
- * @dev:		Device this mii_bus belongs to
- * @bus:		the mii_bus associated with the device
- *
- * Free mii_bus allocated with devm_mdiobus_alloc_size().
- */
-void devm_mdiobus_free(struct device *dev, struct mii_bus *bus)
-{
-	int rc;
-
-	rc = devres_release(dev, _devm_mdiobus_free,
-			    devm_mdiobus_match, bus);
-	WARN_ON(rc);
-}
-EXPORT_SYMBOL_GPL(devm_mdiobus_free);
-
 /**
  * mdiobus_release - mii_bus device release callback
  * @d: the target struct device that contains the mii_bus
diff --git a/drivers/net/phy/mdio_devres.c b/drivers/net/phy/mdio_devres.c
new file mode 100644
index 0000000000000..b560e99695dfd
--- /dev/null
+++ b/drivers/net/phy/mdio_devres.c
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <linux/device.h>
+#include <linux/of_mdio.h>
+#include <linux/phy.h>
+#include <linux/stddef.h>
+
+struct mdiobus_devres {
+	struct mii_bus *mii;
+};
+
+static void devm_mdiobus_free(struct device *dev, void *this)
+{
+	struct mdiobus_devres *dr = this;
+
+	mdiobus_free(dr->mii);
+}
+
+/**
+ * devm_mdiobus_alloc_size - Resource-managed mdiobus_alloc_size()
+ * @dev:		Device to allocate mii_bus for
+ * @sizeof_priv:	Space to allocate for private structure
+ *
+ * Managed mdiobus_alloc_size. mii_bus allocated with this function is
+ * automatically freed on driver detach.
+ *
+ * RETURNS:
+ * Pointer to allocated mii_bus on success, NULL on out-of-memory error.
+ */
+struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv)
+{
+	struct mdiobus_devres *dr;
+
+	dr = devres_alloc(devm_mdiobus_free, sizeof(*dr), GFP_KERNEL);
+	if (!dr)
+		return NULL;
+
+	dr->mii = mdiobus_alloc_size(sizeof_priv);
+	if (!dr->mii) {
+		devres_free(dr);
+		return NULL;
+	}
+
+	devres_add(dev, dr);
+	return dr->mii;
+}
+EXPORT_SYMBOL(devm_mdiobus_alloc_size);
+
+static void devm_mdiobus_unregister(struct device *dev, void *this)
+{
+	struct mdiobus_devres *dr = this;
+
+	mdiobus_unregister(dr->mii);
+}
+
+static int mdiobus_devres_match(struct device *dev,
+				void *this, void *match_data)
+{
+	struct mdiobus_devres *res = this;
+	struct mii_bus *mii = match_data;
+
+	return mii == res->mii;
+}
+
+/**
+ * __devm_mdiobus_register - Resource-managed variant of mdiobus_register()
+ * @dev:	Device to register mii_bus for
+ * @bus:	MII bus structure to register
+ * @owner:	Owning module
+ *
+ * Returns 0 on success, negative error number on failure.
+ */
+int __devm_mdiobus_register(struct device *dev, struct mii_bus *bus,
+			    struct module *owner)
+{
+	struct mdiobus_devres *dr;
+	int ret;
+
+	if (WARN_ON(!devres_find(dev, devm_mdiobus_free,
+				 mdiobus_devres_match, bus)))
+		return -EINVAL;
+
+	dr = devres_alloc(devm_mdiobus_unregister, sizeof(*dr), GFP_KERNEL);
+	if (!dr)
+		return -ENOMEM;
+
+	ret = __mdiobus_register(bus, owner);
+	if (ret) {
+		devres_free(dr);
+		return ret;
+	}
+
+	dr->mii = bus;
+	devres_add(dev, dr);
+	return 0;
+}
+EXPORT_SYMBOL(__devm_mdiobus_register);
+
+#if IS_ENABLED(CONFIG_OF_MDIO)
+/**
+ * devm_of_mdiobus_register - Resource managed variant of of_mdiobus_register()
+ * @dev:	Device to register mii_bus for
+ * @mdio:	MII bus structure to register
+ * @np:		Device node to parse
+ */
+int devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio,
+			     struct device_node *np)
+{
+	struct mdiobus_devres *dr;
+	int ret;
+
+	if (WARN_ON(!devres_find(dev, devm_mdiobus_free,
+				 mdiobus_devres_match, mdio)))
+		return -EINVAL;
+
+	dr = devres_alloc(devm_mdiobus_unregister, sizeof(*dr), GFP_KERNEL);
+	if (!dr)
+		return -ENOMEM;
+
+	ret = of_mdiobus_register(mdio, np);
+	if (ret) {
+		devres_free(dr);
+		return ret;
+	}
+
+	dr->mii = mdio;
+	devres_add(dev, dr);
+	return 0;
+}
+EXPORT_SYMBOL(devm_of_mdiobus_register);
+#endif /* CONFIG_OF_MDIO */
+
+MODULE_LICENSE("GPL");
diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
index 0f61a4ac6bcfb..1efb88d9f8928 100644
--- a/include/linux/of_mdio.h
+++ b/include/linux/of_mdio.h
@@ -8,31 +8,33 @@
 #ifndef __LINUX_OF_MDIO_H
 #define __LINUX_OF_MDIO_H
 
+#include <linux/device.h>
 #include <linux/phy.h>
 #include <linux/of.h>
 
 #if IS_ENABLED(CONFIG_OF_MDIO)
-extern bool of_mdiobus_child_is_phy(struct device_node *child);
-extern int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
-extern struct phy_device *of_phy_find_device(struct device_node *phy_np);
-extern struct phy_device *of_phy_connect(struct net_device *dev,
-					 struct device_node *phy_np,
-					 void (*hndlr)(struct net_device *),
-					 u32 flags, phy_interface_t iface);
-extern struct phy_device *
+bool of_mdiobus_child_is_phy(struct device_node *child);
+int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
+int devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio,
+			     struct device_node *np);
+struct phy_device *of_phy_find_device(struct device_node *phy_np);
+struct phy_device *
+of_phy_connect(struct net_device *dev, struct device_node *phy_np,
+	       void (*hndlr)(struct net_device *), u32 flags,
+	       phy_interface_t iface);
+struct phy_device *
 of_phy_get_and_connect(struct net_device *dev, struct device_node *np,
 		       void (*hndlr)(struct net_device *));
-struct phy_device *of_phy_attach(struct net_device *dev,
-				 struct device_node *phy_np, u32 flags,
-				 phy_interface_t iface);
-
-extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
-extern int of_phy_register_fixed_link(struct device_node *np);
-extern void of_phy_deregister_fixed_link(struct device_node *np);
-extern bool of_phy_is_fixed_link(struct device_node *np);
-extern int of_mdiobus_phy_device_register(struct mii_bus *mdio,
-				     struct phy_device *phy,
-				     struct device_node *child, u32 addr);
+struct phy_device *
+of_phy_attach(struct net_device *dev, struct device_node *phy_np,
+	      u32 flags, phy_interface_t iface);
+
+struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
+int of_phy_register_fixed_link(struct device_node *np);
+void of_phy_deregister_fixed_link(struct device_node *np);
+bool of_phy_is_fixed_link(struct device_node *np);
+int of_mdiobus_phy_device_register(struct mii_bus *mdio, struct phy_device *phy,
+				   struct device_node *child, u32 addr);
 
 static inline int of_mdio_parse_addr(struct device *dev,
 				     const struct device_node *np)
diff --git a/include/linux/phy.h b/include/linux/phy.h
index ecc7640705b96..101a48fa67509 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -261,9 +261,6 @@ struct mii_bus {
 	int (*reset)(struct mii_bus *bus);
 	struct mdio_bus_stats stats[PHY_MAX_ADDR];
 
-	unsigned int is_managed:1;	/* is device-managed */
-	unsigned int is_managed_registered:1;
-
 	/*
 	 * A lock to ensure that only one thing can read/write
 	 * the MDIO bus at a time
@@ -322,20 +319,11 @@ static inline struct mii_bus *mdiobus_alloc(void)
 }
 
 int __mdiobus_register(struct mii_bus *bus, struct module *owner);
+int __devm_mdiobus_register(struct device *dev, struct mii_bus *bus,
+			    struct module *owner);
 #define mdiobus_register(bus) __mdiobus_register(bus, THIS_MODULE)
-static inline int devm_mdiobus_register(struct mii_bus *bus)
-{
-	int ret;
-
-	if (!bus->is_managed)
-		return -EPERM;
-
-	ret = mdiobus_register(bus);
-	if (!ret)
-		bus->is_managed_registered = 1;
-
-	return ret;
-}
+#define devm_mdiobus_register(dev, bus) \
+		__devm_mdiobus_register(dev, bus, THIS_MODULE)
 
 void mdiobus_unregister(struct mii_bus *bus);
 void mdiobus_free(struct mii_bus *bus);
@@ -346,7 +334,6 @@ static inline struct mii_bus *devm_mdiobus_alloc(struct device *dev)
 }
 
 struct mii_bus *mdio_find_bus(const char *mdio_name);
-void devm_mdiobus_free(struct device *dev, struct mii_bus *bus);
 struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr);
 
 #define PHY_INTERRUPT_DISABLED	false
diff --git a/net/devres.c b/net/devres.c
index 57a6a88d11f65..1f9be2133787f 100644
--- a/net/devres.c
+++ b/net/devres.c
@@ -39,7 +39,7 @@ struct net_device *devm_alloc_etherdev_mqs(struct device *dev, int sizeof_priv,
 }
 EXPORT_SYMBOL(devm_alloc_etherdev_mqs);
 
-static void devm_netdev_release(struct device *dev, void *this)
+static void devm_unregister_netdev(struct device *dev, void *this)
 {
 	struct net_device_devres *res = this;
 
@@ -77,7 +77,7 @@ int devm_register_netdev(struct device *dev, struct net_device *ndev)
 				 netdev_devres_match, ndev)))
 		return -EINVAL;
 
-	dr = devres_alloc(devm_netdev_release, sizeof(*dr), GFP_KERNEL);
+	dr = devres_alloc(devm_unregister_netdev, sizeof(*dr), GFP_KERNEL);
 	if (!dr)
 		return -ENOMEM;