Hi Joshua, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v6.7-rc6] [cannot apply to next-20231218] [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/Joshua-Yeong/mailbox-starfive-Add-StarFive-Meu-Mailbox-Driver/20231218-141510 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20231218061201.98136-2-joshua.yeong%40starfivetech.com patch subject: [PATCH 1/3] mailbox: starfive: Add StarFive Meu Mailbox Driver config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20231219/202312190442.dVG2haPq-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231219/202312190442.dVG2haPq-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/202312190442.dVG2haPq-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/mailbox/starfive-meu.c:50: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * StarFive MEU Mailbox allocated channel information vim +50 drivers/mailbox/starfive-meu.c 48 49 /** > 50 * StarFive MEU Mailbox allocated channel information 51 * 52 * @meu: Pointer to parent mailbox device 53 * @pchan: Physical channel within which this doorbell resides in 54 * @doorbell: doorbell number pertaining to this channel 55 */ 56 struct meu_db_channel { 57 struct starfive_meu *meu; 58 unsigned int pchan; 59 unsigned int doorbell; 60 }; 61 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki