alx_read_phy_ext
if (alx_read_phy_ext(hw, 3, MDIO_DEVS1, &devs1) ||
alx_read_phy_ext(hw, 3, MDIO_DEVS2, &devs2))
alx_read_phy_ext(hw, ALX_MIIEXT_PCS, ALX_MIIEXT_CLDCTRL3,
alx_read_phy_ext(hw, ALX_MIIEXT_PCS, ALX_MIIEXT_CLDCTRL5,
alx_read_phy_ext(hw, ALX_MIIEXT_PCS, ALX_MIIEXT_CLDCTRL6,
alx_read_phy_ext(hw, ALX_MIIEXT_ANEG, ALX_MIIEXT_AFE,
alx_read_phy_ext(hw, ALX_MIIEXT_ANEG,
alx_read_phy_ext(hw, ALX_MIIEXT_ANEG, ALX_MIIEXT_AFE,
int alx_read_phy_ext(struct alx_hw *hw, u8 dev, u16 reg, u16 *pdata);
err = alx_read_phy_ext(hw, devad, addr, &val);