Hi Emmanuel, Thank you for the patch! Yet something to improve: [auto build test ERROR on wireless-drivers-next/master] [also build test ERROR on wireless-drivers/master char-misc/char-misc-testing v5.12-rc7 next-20210412] [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/Emmanuel-Grumbach/mei-bus-add-cl... base: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-ne... master config: arc-allyesconfig (attached as .config) compiler: arceb-elf-gcc (GCC) 9.3.0 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 # https://github.com/0day-ci/linux/commit/282793cf36fcc2c1b65dd2ca6ba4abc0c... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Emmanuel-Grumbach/mei-bus-add-client-dma-interface/20210412-204450 git checkout 282793cf36fcc2c1b65dd2ca6ba4abc0cff126ac # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/net/wireless/intel/iwlwifi/mvm/ops.c: In function 'iwl_mvm_start_post_nvm': 715 | wiphy_rfkill_set_hw_state_reason(mvm->hw->wiphy, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | wiphy_rfkill_set_hw_state 717 | RFKILL_HARD_BLOCK_NOT_OWNER); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/intel/iwlwifi/mvm/ops.c:717:7: note: each undeclared identifier is reported only once for each function it appears in drivers/net/wireless/intel/iwlwifi/mvm/ops.c: In function 'iwl_mvm_mei_rfkill': drivers/net/wireless/intel/iwlwifi/mvm/ops.c:754:7: error: 'RFKILL_HARD_BLOCK_NOT_OWNER' undeclared (first use in this function) 754 | RFKILL_HARD_BLOCK_NOT_OWNER); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +715 drivers/net/wireless/intel/iwlwifi/mvm/ops.c 699 700 static int iwl_mvm_start_post_nvm(struct iwl_mvm *mvm) 701 { 702 struct iwl_mvm_csme_conn_info *csme_conn_info __maybe_unused; 703 int ret; 704 705 iwl_mvm_toggle_tx_ant(mvm, &mvm->mgmt_last_antenna_idx); 706 707 ret = iwl_mvm_mac_setup_register(mvm); 708 if (ret) 709 return ret; 710 711 mvm->hw_registered = true; 712 713 iwl_mvm_dbgfs_register(mvm); 714 716 mvm->mei_rfkill_blocked, 718 return 0; 719 } 720 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org