I40E_GLGEN_I2CCMD
wr32(hw, I40E_GLGEN_I2CCMD(hw->func_caps.mdio_port_num), reg);
reg = rd32(hw, I40E_GLGEN_I2CCMD(hw->func_caps.mdio_port_num));
reg = rd32(hw, I40E_GLGEN_I2CCMD(hw->func_caps.mdio_port_num));
wr32(hw, I40E_GLGEN_I2CCMD(hw->func_caps.mdio_port_num), reg);
reg = rd32(hw, I40E_GLGEN_I2CCMD(portnum));