tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: daadb3bd0e8d3e317e36bc2c1542e86c528665e5 commit: bfff546aae50ae68ed395bf0e0848188d27b0ba3 regulator: Add MAX20086-MAX20089 driver date: 5 days ago config: mips-buildonly-randconfig-r004-20220112 (https://download.01.org/0day-ci/archive/20220112/202201122312.qsMgLJU3-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 244dd2913a43a200f5a6544d424cdc37b771028b) 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 mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # 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 bfff546aae50ae68ed395bf0e0848188d27b0ba3 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/regulator/ 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 max20086_dt_ids[] = { ^ 1 warning generated. vim +/max20086_dt_ids +288 drivers/regulator/max20086-regulator.c 287 289 { 290 .compatible = "maxim,max20086", 291 .data = &(const struct max20086_chip_info) { 292 .id = MAX20086_DEVICE_ID_MAX20086, 293 .num_outputs = 4, 294 } 295 }, { 296 .compatible = "maxim,max20087", 297 .data = &(const struct max20086_chip_info) { 298 .id = MAX20086_DEVICE_ID_MAX20087, 299 .num_outputs = 4, 300 } 301 }, { 302 .compatible = "maxim,max20088", 303 .data = &(const struct max20086_chip_info) { 304 .id = MAX20086_DEVICE_ID_MAX20088, 305 .num_outputs = 2, 306 } 307 }, { 308 .compatible = "maxim,max20089", 309 .data = &(const struct max20086_chip_info) { 310 .id = MAX20086_DEVICE_ID_MAX20089, 311 .num_outputs = 2, 312 } 313 }, 314 { /* Sentinel */ }, 315 }; 316 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org