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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/include/linux/of_mdio.h
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@@ -1,36 +1,41 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * OF helpers for the MDIO (Ethernet PHY) API
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  *
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  * Copyright (c) 2009 Secret Lab Technologies, Ltd.
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- *
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- * This file is released under the GPLv2
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  */
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 #ifndef __LINUX_OF_MDIO_H
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 #define __LINUX_OF_MDIO_H
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+#include <linux/device.h>
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 #include <linux/phy.h>
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 #include <linux/of.h>
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 #if IS_ENABLED(CONFIG_OF_MDIO)
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-extern int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
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-extern struct phy_device *of_phy_find_device(struct device_node *phy_np);
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-extern struct phy_device *of_phy_connect(struct net_device *dev,
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-					 struct device_node *phy_np,
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-					 void (*hndlr)(struct net_device *),
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-					 u32 flags, phy_interface_t iface);
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-extern struct phy_device *
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+bool of_mdiobus_child_is_phy(struct device_node *child);
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+int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
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+int devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio,
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+			     struct device_node *np);
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+struct mdio_device *of_mdio_find_device(struct device_node *np);
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+struct phy_device *of_phy_find_device(struct device_node *phy_np);
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+struct phy_device *
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+of_phy_connect(struct net_device *dev, struct device_node *phy_np,
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+	       void (*hndlr)(struct net_device *), u32 flags,
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+	       phy_interface_t iface);
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+struct phy_device *
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 of_phy_get_and_connect(struct net_device *dev, struct device_node *np,
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 		       void (*hndlr)(struct net_device *));
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-struct phy_device *of_phy_attach(struct net_device *dev,
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-				 struct device_node *phy_np, u32 flags,
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-				 phy_interface_t iface);
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+struct phy_device *
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+of_phy_attach(struct net_device *dev, struct device_node *phy_np,
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+	      u32 flags, phy_interface_t iface);
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-extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
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-extern int of_phy_register_fixed_link(struct device_node *np);
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-extern void of_phy_deregister_fixed_link(struct device_node *np);
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-extern bool of_phy_is_fixed_link(struct device_node *np);
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-
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+struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
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+int of_phy_register_fixed_link(struct device_node *np);
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+void of_phy_deregister_fixed_link(struct device_node *np);
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+bool of_phy_is_fixed_link(struct device_node *np);
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+int of_mdiobus_phy_device_register(struct mii_bus *mdio, struct phy_device *phy,
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+				   struct device_node *child, u32 addr);
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 static inline int of_mdio_parse_addr(struct device *dev,
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 				     const struct device_node *np)
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@@ -55,6 +60,11 @@
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 }
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 #else /* CONFIG_OF_MDIO */
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+static inline bool of_mdiobus_child_is_phy(struct device_node *child)
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+{
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+	return false;
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+}
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+
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 static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
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 {
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 	/*
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@@ -63,6 +73,18 @@
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 	 */
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 	return mdiobus_register(mdio);
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+}
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+
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+static inline int devm_of_mdiobus_register(struct device *dev,
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+					   struct mii_bus *mdio,
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+					   struct device_node *np)
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+{
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+	return devm_mdiobus_register(dev, mdio);
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+}
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+
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+static inline struct mdio_device *of_mdio_find_device(struct device_node *np)
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+{
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+	return NULL;
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 }
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 static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
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@@ -113,6 +135,13 @@
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 {
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 	return false;
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 }
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+
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+static inline int of_mdiobus_phy_device_register(struct mii_bus *mdio,
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+					    struct phy_device *phy,
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+					    struct device_node *child, u32 addr)
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+{
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+	return -ENOSYS;
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+}
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 #endif
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