Hi Peter, kernel test robot noticed the following build warnings: [auto build test WARNING on groeck-staging/hwmon-next] [also build test WARNING on linus/master v6.6 next-20231106] [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/Peter-Yin/dt-bindings-hwmon-Add-mps-mp5990-driver-bindings/20231103-160759 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next patch link: https://lore.kernel.org/r/20231103080128.1204218-3-peteryin.openbmc%40gmail.com patch subject: [PATCH v1 2/2] hwmon: (pmbus) Add support for MPS Multi-phase mp5990 config: xtensa-randconfig-001-20231107 (https://download.01.org/0day-ci/archive/20231107/202311070822.cgjfXGD7-lkp@xxxxxxxxx/config) compiler: xtensa-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231107/202311070822.cgjfXGD7-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/202311070822.cgjfXGD7-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/hwmon/pmbus/mp5990.c:66:34: warning: 'mp5990_of_match' defined but not used [-Wunused-const-variable=] 66 | static const struct of_device_id mp5990_of_match[] = { | ^~~~~~~~~~~~~~~ vim +/mp5990_of_match +66 drivers/hwmon/pmbus/mp5990.c 65 > 66 static const struct of_device_id mp5990_of_match[] = { 67 { .compatible = "mps,mp5990" }, 68 {} 69 }; 70 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki