Hi Antheas, kernel test robot noticed the following build errors: [auto build test ERROR on groeck-staging/hwmon-next] [also build test ERROR on sre-power-supply/for-next amd-pstate/linux-next amd-pstate/bleeding-edge rafael-pm/linux-next rafael-pm/bleeding-edge linus/master v6.14-rc6 next-20250307] [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/Antheas-Kapenekakis/hwmon-oxp-sensors-Distinguish-the-X1-variants/20250309-192300 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next patch link: https://lore.kernel.org/r/20250309112114.1177361-7-lkml%40antheas.dev patch subject: [PATCH v3 06/12] platform/x86: oxpec: Add charge threshold and behaviour to OneXPlayer config: x86_64-randconfig-074-20250311 (https://download.01.org/0day-ci/archive/20250311/202503112130.dl6b3XVs-lkp@xxxxxxxxx/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250311/202503112130.dl6b3XVs-lkp@xxxxxxxxx/reproduce) 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/202503112130.dl6b3XVs-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: battery_hook_register >>> referenced by oxpec.c:927 (drivers/platform/x86/oxpec.c:927) >>> vmlinux.o:(oxp_platform_probe) -- >> ld.lld: error: undefined symbol: battery_hook_unregister >>> referenced by oxpec.c:935 (drivers/platform/x86/oxpec.c:935) >>> vmlinux.o:(oxp_platform_remove) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki