Hi Hanna, Thank you for the patch! Yet something to improve: [auto build test ERROR on wsa/i2c/for-next] [also build test ERROR on linus/master v6.1 next-20221214] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Hanna-Hawa/i2c-designware-use-u64-for-clock-freq-to-avoid-u32-multiplication-overflow/20221214-234348 base: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next patch link: https://lore.kernel.org/r/20221214154117.65714-1-hhhawa%40amazon.com patch subject: [PATCH v2 1/1] i2c: designware: use u64 for clock freq to avoid u32 multiplication overflow config: microblaze-randconfig-r022-20221214 compiler: microblaze-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/ebc1d2486302b86b3a474d0741b79be83bea0cb9 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Hanna-Hawa/i2c-designware-use-u64-for-clock-freq-to-avoid-u32-multiplication-overflow/20221214-234348 git checkout ebc1d2486302b86b3a474d0741b79be83bea0cb9 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=microblaze 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 >>): microblaze-linux-ld: drivers/i2c/busses/i2c-designware-common.o: in function `i2c_dw_scl_hcnt': drivers/i2c/busses/i2c-designware-common.c:354: undefined reference to `__udivdi3' >> microblaze-linux-ld: drivers/i2c/busses/i2c-designware-common.c:370: undefined reference to `__udivdi3' microblaze-linux-ld: drivers/i2c/busses/i2c-designware-common.o: in function `i2c_dw_scl_lcnt': drivers/i2c/busses/i2c-designware-common.c:386: undefined reference to `__udivdi3' -- 0-DAY CI Kernel Test Service https://01.org/lkp