tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7fe10096c1508c7f033d34d0741809f8eecc1ed4 commit: 97be82880b617fb6bc06ff19e3ddb039501b2dcf regulator: add support for MP8869 regulator date: 6 months ago config: x86_64-randconfig-a011-20200910 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 0a5dc7effb191eff740e0e7ae7bd8e1f6bdb3ad9) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git checkout 97be82880b617fb6bc06ff19e3ddb039501b2dcf # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): static const struct of_device_id mp886x_dt_ids[] = { ^ 1 warning generated. # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 97be82880b617fb6bc06ff19e3ddb039501b2dcf vim +/mp886x_dt_ids +203 drivers/regulator/mp886x.c 202 204 { 205 .compatible = "mps,mp8869", 206 .data = &mp8869_regulator_ops 207 }, 208 { } 209 }; 210 MODULE_DEVICE_TABLE(of, mp886x_dt_ids); 211 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org