I217_MEMPWR
hw->phy.ops.read_reg_locked(hw, I217_MEMPWR, &phy_reg);
hw->phy.ops.write_reg_locked(hw, I217_MEMPWR, phy_reg);
ret_val = hw->phy.ops.read_reg_locked(hw, I217_MEMPWR,
hw->phy.ops.write_reg_locked(hw, I217_MEMPWR, phy_reg);