Hi Marcello, Thank you for the patch! Yet something to improve: [auto build test ERROR on groeck-staging/hwmon-next] [also build test ERROR on robh/for-next v5.17-rc3 next-20220211] [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/Marcello-Sylvester-Bauer/Support-pli1209bc-Digital-Supervisor/20220212-011956 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next config: hexagon-randconfig-r024-20220213 (https://download.01.org/0day-ci/archive/20220213/202202130705.3YDPfyow-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c7eb84634519e6497be42f5fe323f9a04ed67127) 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/0b0d15e123c13b2eb898502661b18d81ed87e325 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Marcello-Sylvester-Bauer/Support-pli1209bc-Digital-Supervisor/20220212-011956 git checkout 0b0d15e123c13b2eb898502661b18d81ed87e325 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: module pli1209bc uses symbol pmbus_read_word_data from namespace PMBUS, but does not import it. >> ERROR: modpost: module pli1209bc uses symbol pmbus_do_probe from namespace PMBUS, but does not import it. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx