tree: https://github.com/AsahiLinux/linux pr/5 head: 2a8cb244c84674dc9205e7f29620f687a5fab68e commit: 512136b4d869aec2efd9be2d6b2b7d70f54cb847 [2/3] pwm: apple-m1: Add Apple M1 FPWM controller driver config: h8300-allyesconfig (attached as .config) compiler: h8300-linux-gcc (GCC) 10.3.0 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://github.com/AsahiLinux/linux/commit/512136b4d869aec2efd9be2d6b2b7d... git remote add asahilinux https://github.com/AsahiLinux/linux git fetch --no-tags asahilinux pr/5 git checkout 512136b4d869aec2efd9be2d6b2b7d70f54cb847 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=h8300 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 >>): h8300-linux-ld: drivers/pwm/pwm-apple-m1.o: in function `fpwm_config': pwm-apple-m1.c:(.text+0x2e7): undefined reference to `__udivdi3' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org