Hi Shengjiu, kernel test robot noticed the following build warnings: [auto build test WARNING on media-tree/master] [also build test WARNING on broonie-sound/for-next tiwai-sound/for-next tiwai-sound/for-linus linus/master v6.6 next-20231110] [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/Shengjiu-Wang/ASoC-fsl_asrc-define-functions-for-memory-to-memory-usage/20231110-143635 base: git://linuxtv.org/media_tree.git master patch link: https://lore.kernel.org/r/1699595289-25773-13-git-send-email-shengjiu.wang%40nxp.com patch subject: [PATCH v9 12/15] media: uapi: Declare interface types for Audio reproduce: (https://download.01.org/0day-ci/archive/20231111/202311110751.SQ7aHnyx-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/202311110751.SQ7aHnyx-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> Documentation/output/media.h.rst:6: WARNING: undefined label: media-intf-t-v4l-audio (if the link has no caption the label must precede a section header) vim +6 Documentation/output/media.h.rst -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki