Hi Mukesh, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4d66020dcef83314092f2c8c89152a8d122627e2 commit: 020cde4750c5b20be309e028dec9950520384c1e iwlwifi: yoyo: support for DBGC4 for dram date: 6 weeks ago config: mips-randconfig-r032-20220116 (https://download.01.org/0day-ci/archive/20220116/202201162344.1eLplIwD-lk...) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 650fc40b6d8d9a5869b4fca525d5f237b0ee2803) 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 020cde4750c5b20be309e028dec9950520384c1e # 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/net/wireless/intel/iwlwifi/ 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 >>): void _iwl_dbg_tlv_time_point(struct iwl_fw_runtime *fwrt, ^ 1 warning generated. vim +/_iwl_dbg_tlv_time_point +1265 drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c 14124b25780db5 Shahar S Matityahu 2019-07-23 1264 b8221b0f750a05 Johannes Berg 2021-08-02 @1265 void _iwl_dbg_tlv_time_point(struct iwl_fw_runtime *fwrt, :::::: The code at line 1265 was first introduced by commit :::::: b8221b0f750a05a7ae9cbca84932e2a36a3ee658 iwlwifi: prepare for synchronous error dumps :::::: TO: Johannes Berg <johannes.berg(a)intel.com&gt; :::::: CC: Luca Coelho <luciano.coelho(a)intel.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org