Hi Michael, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.10-rc7 next-20201204] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Michael-Kao/Add-LVTS-architecture-thermal-controller/20201207-143738 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 0477e92881850d44910a7e94fc2c46f96faa131f config: m68k-allyesconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 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/0day-ci/linux/commit/48e6bc3de5d2bd7b125c92529e8197625e906ed6 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Michael-Kao/Add-LVTS-architecture-thermal-controller/20201207-143738 git checkout 48e6bc3de5d2bd7b125c92529e8197625e906ed6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): m68k-linux-ld: drivers/thermal/mediatek/soc_temp_lvts.o: in function `lvts_init': >> soc_temp_lvts.c:(.text+0x1404): undefined reference to `__divdi3' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org