Hi Cassio, Thank you for the patch! Yet something to improve: [auto build test ERROR on abelloni/rtc-next] [also build test ERROR on v5.13-rc3 next-20210528] [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/Cassio-Neri/rtc-Improve-performance-of-rtc_time64_to_tm-Add-tests/20210530-003728 base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next 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/8747741de658b538ddea6a357747ad5fb9211b45 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Cassio-Neri/rtc-Improve-performance-of-rtc_time64_to_tm-Add-tests/20210530-003728 git checkout 8747741de658b538ddea6a357747ad5fb9211b45 # 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 <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): h8300-linux-ld: drivers/rtc/lib_test.o: in function `.L11': >> lib_test.c:(.text+0x14d): undefined reference to `__divdi3' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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