tree: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next head: 41895bfee70e7b8a5af7deae458fbf02c1fe782a commit: 5f1ae73d538a84f96f53c2381b50bc278181136c [89/93] i2c: mediatek: Add i2c ac-timing adjust support config: m68k-allyesconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 5f1ae73d538a84f96f53c2381b50bc278181136c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): m68k-linux-ld: drivers/i2c/busses/i2c-mt65xx.o: in function `mtk_i2c_calculate_speed': i2c-mt65xx.c:(.text+0x532): undefined reference to `__divdi3' m68k-linux-ld: i2c-mt65xx.c:(.text+0x5c0): undefined reference to `__divdi3' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org