cavium_mdiobus_read_c22
EXPORT_SYMBOL(cavium_mdiobus_read_c22);
int cavium_mdiobus_read_c22(struct mii_bus *bus, int phy_id, int regnum);
bus->mii_bus->read = cavium_mdiobus_read_c22;
bus->mii_bus->read = cavium_mdiobus_read_c22;