igb_write_phy_reg_82580
phy->ops.write_reg = igb_write_phy_reg_82580;
igb_write_phy_reg_82580(hw, I347AT4_PAGE_SELECT, E1000_PHY_PLL_FREQ_PAGE);
igb_write_phy_reg_82580(hw, I347AT4_PAGE_SELECT, 0);
s32 igb_write_phy_reg_82580(struct e1000_hw *hw, u32 offset, u16 data);