YT8511_PAGE_SELECT
return __phy_read(phydev, YT8511_PAGE_SELECT);
return __phy_write(phydev, YT8511_PAGE_SELECT, page);
ret = __phy_write(phydev, YT8511_PAGE_SELECT, YT8511_EXT_DELAY_DRIVE);
ret = __phy_write(phydev, YT8511_PAGE_SELECT, YT8511_EXT_SLEEP_CTRL);