Hi Cosmo, kernel test robot noticed the following build warnings: [auto build test WARNING on groeck-staging/hwmon-next] [also build test WARNING on robh/for-next linus/master v6.7-rc4 next-20231205] [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/Cosmo-Chou/dt-bindings-vendor-prefixes-add-asteralabs/20231205-155020 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next patch link: https://lore.kernel.org/r/20231205074723.3546295-4-chou.cosmo%40gmail.com patch subject: [PATCH 3/3] hwmon: Add driver for Astera Labs PT516XX retimer reproduce: (https://download.01.org/0day-ci/archive/20231206/202312060716.Zh0AHxKs-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/202312060716.Zh0AHxKs-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> Documentation/hwmon/pt516xx.rst:4: WARNING: Title underline too short. vim +4 Documentation/hwmon/pt516xx.rst 2 3 Kernel driver pt516xx > 4 ==================== 5 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki