[tzungbi-chrome-platform:dev 25/25] ERROR: modpost: "cros_kunit_ec_xfer_mock_addx" [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:   c8065f6d478990cfc385d1d579972a75fc29605b
commit: c8065f6d478990cfc385d1d579972a75fc29605b [25/25] platform/chrome: cros_ec_proto: add Kunit tests for cros_ec_query_all()
config: arm64-randconfig-r006-20220524 (https://download.01.org/0day-ci/archive/20220526/202205260106.UjRGjFFM-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d52a6e75b0c402c7f3b42a2b1b2873f151220947)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/tzungbi/chrome-platform.git/commit/?id=c8065f6d478990cfc385d1d579972a75fc29605b
        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 c8065f6d478990cfc385d1d579972a75fc29605b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 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_xfer_mock_addx" [drivers/platform/chrome/cros_ec_proto_test.ko] undefined!
>> ERROR: modpost: "cros_kunit_ec_xfer_mock_next" [drivers/platform/chrome/cros_ec_proto_test.ko] undefined!
>> ERROR: modpost: "cros_kunit_ec_xfer_mock_add" [drivers/platform/chrome/cros_ec_proto_test.ko] undefined!
>> ERROR: modpost: "cros_kunit_reset" [drivers/platform/chrome/cros_ec_proto_test.ko] undefined!
>> ERROR: modpost: "cros_kunit_ec_xfer_mock" [drivers/platform/chrome/cros_ec_proto_test.ko] undefined!

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