of_mdio: Abstract a general interface for phy connect

Abstract a general interface "of_phy_get_and_connect"
for PHY connect. User will have no bother with getting
"phy-mode" and "phy-handle" any more.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Dongpo Li <lidongpo@hisilicon.com>
Reviewed-by: Jiancheng Xue <xuejiancheng@hisilicon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
index 4b04587..2ab2336 100644
--- a/include/linux/of_mdio.h
+++ b/include/linux/of_mdio.h
@@ -19,6 +19,9 @@
 					 struct device_node *phy_np,
 					 void (*hndlr)(struct net_device *),
 					 u32 flags, phy_interface_t iface);
+extern 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);
@@ -52,6 +55,13 @@
 	return NULL;
 }
 
+static inline struct phy_device *
+of_phy_get_and_connect(struct net_device *dev, struct device_node *np,
+		       void (*hndlr)(struct net_device *))
+{
+	return NULL;
+}
+
 static inline struct phy_device *of_phy_attach(struct net_device *dev,
 					       struct device_node *phy_np,
 					       u32 flags, phy_interface_t iface)