netup_eeprom_read
cinfo->rev = netup_eeprom_read(i2c_adap, 63);
cinfo->port[0].mac[j] = netup_eeprom_read(i2c_adap, i);
cinfo->port[1].mac[j] = netup_eeprom_read(i2c_adap, i);
extern int netup_eeprom_read(struct i2c_adapter *i2c_adap, u8 addr);