MII_DP83811_INT_STAT2
misr_status = phy_read(phydev, MII_DP83811_INT_STAT2);
err = phy_write(phydev, MII_DP83811_INT_STAT2, misr_status);
err = phy_write(phydev, MII_DP83811_INT_STAT2, 0);
irq_status = phy_read(phydev, MII_DP83811_INT_STAT2);
err = phy_read(phydev, MII_DP83811_INT_STAT2);