Hi Hector, Thank you for the patch! Yet something to improve: [auto build test ERROR on soc/for-next] [also build test ERROR on robh/for-next v5.14] [cannot apply to pm/linux-next next-20210903] [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] url: https://github.com/0day-ci/linux/commits/Hector-Yuan/dt-bindings-cpufreq-add-bindings-for-MediaTek-cpufreq-HW/20210903-174004 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next config: arm-randconfig-c002-20210903 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 1104e3258b5064e7110cc297e2cec60ac9acfc0a) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/0day-ci/linux/commit/a7148c526ed4198bbe953fb17e52257f0d50d8c4 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Hector-Yuan/dt-bindings-cpufreq-add-bindings-for-MediaTek-cpufreq-HW/20210903-174004 git checkout a7148c526ed4198bbe953fb17e52257f0d50d8c4 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=arm SHELL=/bin/bash drivers/cpufreq/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> drivers/cpufreq/mediatek-cpufreq-hw.c:280:3: error: field designator 'register_em' does not refer to any field in type 'struct cpufreq_driver' .register_em = mtk_cpufreq_register_em, ^ 1 error generated. vim +280 drivers/cpufreq/mediatek-cpufreq-hw.c 270 271 static struct cpufreq_driver cpufreq_mtk_hw_driver = { 272 .flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK | 273 CPUFREQ_HAVE_GOVERNOR_PER_POLICY | 274 CPUFREQ_IS_COOLING_DEV, 275 .verify = cpufreq_generic_frequency_table_verify, 276 .target_index = mtk_cpufreq_hw_target_index, 277 .get = mtk_cpufreq_hw_get, 278 .init = mtk_cpufreq_hw_cpu_init, 279 .exit = mtk_cpufreq_hw_cpu_exit, > 280 .register_em = mtk_cpufreq_register_em, 281 .fast_switch = mtk_cpufreq_hw_fast_switch, 282 .name = "mtk-cpufreq-hw", 283 .attr = cpufreq_generic_attr, 284 }; 285 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org