BCM54XX_SHD_APD
val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_APD);
return bcm_phy_write_shadow(phydev, BCM54XX_SHD_APD, val);
val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_APD);
bcm_phy_write_shadow(phydev, BCM54XX_SHD_APD, val);