MII_BCM54XX_SHD 209 include/linux/brcmphy.h phy_write(phydev, MII_BCM54XX_SHD, MII_BCM54XX_SHD_VAL(shadow)); MII_BCM54XX_SHD 210 include/linux/brcmphy.h return MII_BCM54XX_SHD_DATA(phy_read(phydev, MII_BCM54XX_SHD)); MII_BCM54XX_SHD 216 include/linux/brcmphy.h return phy_write(phydev, MII_BCM54XX_SHD,