extern struct bb_miiphy_bus bb_miiphy_buses[];
extern int bb_miiphy_buses_num;
-void bb_miiphy_init(void);
+/**
+ * bb_miiphy_init() - Initialize bit-banged MII bus driver
+ *
+ * It is called during the generic post-relocation init sequence.
+ *
+ * Return: 0 if OK
+ */
+int bb_miiphy_init(void);
+
int bb_miiphy_read(struct mii_dev *miidev, int addr, int devad, int reg);
int bb_miiphy_write(struct mii_dev *miidev, int addr, int devad, int reg,
u16 value);