Hi Karl.Li, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v6.12-rc4 next-20241025] [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/Karl-Li/dt-bindings-mailbox-mediatek-Add-apu-mailbox-document/20241024-173032 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20241024092608.431581-4-karl.li%40mediatek.com patch subject: [PATCH 3/3] mailbox: mediatek: Add mtk-apu-mailbox driver config: nios2-randconfig-r111-20241027 (https://download.01.org/0day-ci/archive/20241027/202410271207.42FIkHwC-lkp@xxxxxxxxx/config) compiler: nios2-linux-gcc (GCC) 14.1.0 reproduce: (https://download.01.org/0day-ci/archive/20241027/202410271207.42FIkHwC-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/202410271207.42FIkHwC-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/mailbox/mtk-apu-mailbox.c:29:24: sparse: sparse: symbol 'g_mbox' was not declared. Should it be static? vim +/g_mbox +29 drivers/mailbox/mtk-apu-mailbox.c 28 > 29 struct mtk_apu_mailbox *g_mbox; 30 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
