Octeon and some ThunderX SOCs MDIO buses

modulename: mdio-octeon.ko

configname: CONFIG_MDIO_OCTEON

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>MDIO bus device drivers
└─>Octeon and some ThunderX SOCs MDIO buses
In linux kernel since version 2.6.33 (release Date: 2010-02-24)  
This module provides a driver for the Octeon and ThunderX MDIO
buses. It is required by the Octeon and ThunderX ethernet device
drivers on some systems.

source code:
drivers/net/mdio/mdio-octeon.c