Hi Rasmus, kernel test robot noticed the following build errors: [auto build test ERROR on abelloni/rtc-next] [also build test ERROR on robh/for-next linus/master v6.4-rc6 next-20230613] [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/Rasmus-Villemoes/rtc-isl12022-remove-wrong-warning-for-low-battery-level/20230613-210308 base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next patch link: https://lore.kernel.org/r/20230613130011.305589-9-linux%40rasmusvillemoes.dk patch subject: [PATCH v2 8/8] rtc: isl12022: implement support for the #clock-cells DT property config: hexagon-randconfig-r041-20230612 (https://download.01.org/0day-ci/archive/20230614/202306140237.9IMWa7cz-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add abelloni https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git git fetch abelloni rtc-next git checkout abelloni/rtc-next b4 shazam https://lore.kernel.org/r/20230613130011.305589-9-linux@xxxxxxxxxxxxxxxxxx # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306140237.9IMWa7cz-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: __clk_hw_register_fixed_rate >>> referenced by rtc-isl12022.c:272 (drivers/rtc/rtc-isl12022.c:272) >>> drivers/rtc/rtc-isl12022.o:(isl12022_probe) in archive vmlinux.a >>> referenced by rtc-isl12022.c:272 (drivers/rtc/rtc-isl12022.c:272) >>> drivers/rtc/rtc-isl12022.o:(isl12022_probe) in archive vmlinux.a -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
