Hi Saravana, FYI, the error/warning still remains. tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-4.19-stable head: 90a691fca4c2525068d9908ac203e9f09e4e33c0 commit: 3179a1a38d96f565a2229b9244285c6abf62b10a [64/9999] ANDROID: GKI: clk: Add support for voltage voting config: x86_64-randconfig-a011 (https://download.01.org/0day-ci/archive/20220122/202201220318.8Dmp8LoU-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/ammarfaizi2/linux-block/commit/3179a1a38d96f565a2229b9... git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-4.19-stable git checkout 3179a1a38d96f565a2229b9244285c6abf62b10a # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/clk/ drivers/nvmem/ kernel/power/ kernel/sched/ 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 >>): drivers/clk/clk.c: In function 'clk_update_vdd': drivers/clk/clk.c:624:24: warning: variable 'ignore' set but not used [-Wunused-but-set-variable] 624 | int level, rc = 0, i, ignore; | ^~~~~~ drivers/clk/clk.c: At top level: 3145 | int clk_set_flags(struct clk *clk, unsigned long flags) | ^~~~~~~~~~~~~ 3157 | void clk_debug_print_hw(struct clk_core *clk, struct seq_file *f) | ^~~~~~~~~~~~~~~~~~ drivers/clk/clk.c:4257: warning: Function parameter or member 'dev' not described in 'devm_clk_unregister' drivers/clk/clk.c:4455: warning: Function parameter or member 'get_hw' not described in 'of_clk_provider' vim +/clk_set_flags +3145 drivers/clk/clk.c 3144 3146 { 3147 if (!clk) 3148 return 0; 3149 3150 if (!clk->core->ops->set_flags) 3151 return -EINVAL; 3152 3153 return clk->core->ops->set_flags(clk->core->hw, flags); 3154 } 3155 EXPORT_SYMBOL_GPL(clk_set_flags); 3156 3158 { 3159 } 3160 EXPORT_SYMBOL(clk_debug_print_hw); 3161 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org