Hi Jason-JH.Lin, kernel test robot noticed the following build errors: [auto build test ERROR on robh/for-next] [also build test ERROR on linus/master v6.13-rc2 next-20241211] [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/Jason-JH-Lin/dt-bindings-mailbox-mediatek-Add-GCE-header-file-for-MT8196/20241211-112605 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20241211032256.28494-7-jason-jh.lin%40mediatek.com patch subject: [PATCH v2 6/8] soc: mediatek: Add programming flow for unsupported subsys ID hardware config: arm64-randconfig-002-20241212 (https://download.01.org/0day-ci/archive/20241212/202412120633.avM5EfRz-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241212/202412120633.avM5EfRz-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/202412120633.avM5EfRz-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: cmdq_subsys_is_valid >>> referenced by mtk-mmsys.c:173 (drivers/soc/mediatek/mtk-mmsys.c:173) >>> drivers/soc/mediatek/mtk-mmsys.o:(mtk_mmsys_update_bits) in archive vmlinux.a >>> referenced by mtk-mutex.c:976 (drivers/soc/mediatek/mtk-mutex.c:976) >>> drivers/soc/mediatek/mtk-mutex.o:(mtk_mutex_enable_by_cmdq) in archive vmlinux.a -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki