CONFIG_HNS_MDIO (not configurable)

modulename: hns_mdio.ko

configname: CONFIG_HNS_MDIO

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>HNS_MDIO
In linux kernel since version 4.1 (release Date: 2015-06-21)  
This selects the HNS MDIO support. It is needed by HNS_DSAF to access
the PHY

source code: