tree: https://github.com/esmil/linux visionfive head: fdbe623707a8f3f9b9d2cb3c4c240299a12b8302 commit: d8f87b24049876b29ade8ed4e49f975d32eeec79 [36/63] drivers/pwm: Add SiFive PWM PTC driver config: microblaze-randconfig-r015-20220124 (https://download.01.org/0day-ci/archive/20220124/202201242153.mzML1Ixz-lk...) compiler: microblaze-linux-gcc (GCC) 11.2.0 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://github.com/esmil/linux/commit/d8f87b24049876b29ade8ed4e49f975d32e... git remote add esmil https://github.com/esmil/linux git fetch --no-tags esmil visionfive git checkout d8f87b24049876b29ade8ed4e49f975d32eeec79 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=microblaze SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): microblaze-linux-ld: drivers/pwm/pwm-sifive-ptc.o: in function `sifive_pwm_ptc_apply': (.text+0x68): undefined reference to `__udivdi3' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org