Symbol: MII_KSZPHY_EXTREG
drivers/net/phy/micrel.c
557
phy_write(phydev, MII_KSZPHY_EXTREG, KSZPHY_EXTREG_WRITE | regnum);
drivers/net/phy/micrel.c
564
phy_write(phydev, MII_KSZPHY_EXTREG, regnum);