Hi Vladimir, Thank you for the patch! Yet something to improve: [auto build test ERROR on linuxtv-media/master] [also build test ERROR on v5.11-rc7 next-20210125] [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/Vladimir-Lypak/media-qcom-camss-Fix-overflows-in-clock-rate-calculations/20210210-205411 base: git://linuxtv.org/media_tree.git master config: h8300-allyesconfig (attached as .config) compiler: h8300-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/68e1cff848a4157c917b620569636ed464640048 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Vladimir-Lypak/media-qcom-camss-Fix-overflows-in-clock-rate-calculations/20210210-205411 git checkout 68e1cff848a4157c917b620569636ed464640048 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): h8300-linux-ld: drivers/media/platform/qcom/camss/camss-csid.o: in function `.L131': >> camss-csid.c:(.text+0xa85): undefined reference to `__udivdi3' h8300-linux-ld: drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.o: in function `csiphy_lanes_enable': >> camss-csiphy-2ph-1-0.c:(.text+0x247): undefined reference to `__udivdi3' h8300-linux-ld: drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.o: in function `csiphy_lanes_enable': >> camss-csiphy-3ph-1-0.c:(.text+0x309): undefined reference to `__udivdi3' h8300-linux-ld: drivers/media/platform/qcom/camss/camss-csiphy.o: in function `.L94': >> camss-csiphy.c:(.text+0x93f): undefined reference to `__udivdi3' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org