BCM54140_RDB_SPARE3
spare3 = bcm_phy_read_rdb(phydev, BCM54140_RDB_SPARE3);
ret = bcm_phy_write_rdb(phydev, BCM54140_RDB_SPARE3, spare3);
return bcm_phy_write_rdb(phydev, BCM54140_RDB_SPARE3, spare3);