tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f141df371335645ce29a87d9683a3f79fba7fd67 commit: 5cd339b370e29b04b85fbb83f40496991465318e fpga: m10bmc-sec: add max10 secure update functions date: 5 months ago config: mips-buildonly-randconfig-r004-20221109 compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 463da45892e2d2a262277b91b96f5f8c05dc25d0) 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 mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5cd339b370e29b04b85fbb83f40496991465318e git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 5cd339b370e29b04b85fbb83f40496991465318e # 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=mips SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: firmware_upload_register >>> referenced by intel-m10-bmc-sec-update.c >>> fpga/intel-m10-bmc-sec-update.o:(m10bmc_sec_probe) in archive drivers/built-in.a -- >> ld.lld: error: undefined symbol: firmware_upload_unregister >>> referenced by intel-m10-bmc-sec-update.c >>> fpga/intel-m10-bmc-sec-update.o:(m10bmc_sec_remove) in archive drivers/built-in.a -- 0-DAY CI Kernel Test Service https://01.org/lkp