MII_DP83811_INT_STAT3
misr_status = phy_read(phydev, MII_DP83811_INT_STAT3);
err = phy_write(phydev, MII_DP83811_INT_STAT3, misr_status);
err = phy_write(phydev, MII_DP83811_INT_STAT3, 0);
irq_status = phy_read(phydev, MII_DP83811_INT_STAT3);
err = phy_read(phydev, MII_DP83811_INT_STAT3);