diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index c94e71781b7983dd537f9b99e76ab106caf1d390..4b0b7ed4a999c05f13fa991551872d7f80a2fdfc 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -238,6 +238,7 @@ header-y += magic.h
 header-y += major.h
 header-y += map_to_7segment.h
 header-y += matroxfb.h
+header-y += mdio.h
 header-y += media.h
 header-y += mempolicy.h
 header-y += meye.h
diff --git a/include/linux/mdio.h b/include/linux/mdio.h
index b1494aced217d0bcdab6967a896025043cecd263..ec90da7232cc01bba6c6ae162c03cac9529ecfcd 100644
--- a/include/linux/mdio.h
+++ b/include/linux/mdio.h
@@ -273,6 +273,8 @@ static inline __u16 mdio_phy_id_c45(int prtad, int devad)
 	return MDIO_PHY_ID_C45 | (prtad << 5) | devad;
 }
 
+#ifdef __KERNEL__
+
 static inline bool mdio_phy_id_is_c45(int phy_id)
 {
 	return (phy_id & MDIO_PHY_ID_C45) && !(phy_id & ~MDIO_PHY_ID_C45_MASK);
@@ -288,11 +290,6 @@ static inline __u16 mdio_phy_id_devad(int phy_id)
 	return phy_id & MDIO_PHY_ID_DEVAD;
 }
 
-#define MDIO_SUPPORTS_C22		1
-#define MDIO_SUPPORTS_C45		2
-
-#ifdef __KERNEL__ 
-
 /**
  * struct mdio_if_info - Ethernet controller MDIO interface
  * @prtad: PRTAD of the PHY (%MDIO_PRTAD_NONE if not present/unknown)
@@ -321,6 +318,8 @@ struct mdio_if_info {
 
 #define MDIO_PRTAD_NONE			(-1)
 #define MDIO_DEVAD_NONE			(-1)
+#define MDIO_SUPPORTS_C22		1
+#define MDIO_SUPPORTS_C45		2
 #define MDIO_EMULATE_C22		4
 
 struct ethtool_cmd;