[tzungbi-chrome-platform:dev 35/40] ERROR: modpost: "cros_kunit_ec_cmd_xfer_mock_called" [drivers/platform/chrome/cros_ec_proto_test.ko] undefined!

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tzungbi/chrome-platform.git dev
head:   09a34602eeb230a0bbf339457c1b339220f817d3
commit: 9a1aa601ff843e92990a29ffd8510aa12ccf7cf4 [35/40] platform/chrome: cros_ec_proto: add Kunit tests for cros_ec_cmd_xfer()
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20220602/202206022104.J6wQ08Jb-lkp@xxxxxxxxx/config)
compiler: m68k-linux-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/tzungbi/chrome-platform.git/commit/?id=9a1aa601ff843e92990a29ffd8510aa12ccf7cf4
        git remote add tzungbi-chrome-platform https://git.kernel.org/pub/scm/linux/kernel/git/tzungbi/chrome-platform.git
        git fetch --no-tags tzungbi-chrome-platform dev
        git checkout 9a1aa601ff843e92990a29ffd8510aa12ccf7cf4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "cros_kunit_ec_cmd_xfer_mock_called" [drivers/platform/chrome/cros_ec_proto_test.ko] undefined!
>> ERROR: modpost: "cros_kunit_ec_pkt_xfer_mock_called" [drivers/platform/chrome/cros_ec_proto_test.ko] undefined!
>> ERROR: modpost: "cros_kunit_ec_xfer_mock_default_ret" [drivers/platform/chrome/cros_ec_proto_test.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp