rt2800_register_read_lock
reg = rt2800_register_read_lock(rt2x00dev, efuse_ctrl_reg);
reg = rt2800_register_read_lock(rt2x00dev, efuse_data3_reg);
reg = rt2800_register_read_lock(rt2x00dev, efuse_data2_reg);
reg = rt2800_register_read_lock(rt2x00dev, efuse_data1_reg);
reg = rt2800_register_read_lock(rt2x00dev, efuse_data0_reg);