Hi Wen, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on kvalo-ath/ath-next] [also build test WARNING on v5.15-rc5 next-20211011] [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/Wen-Gong/ath11k-add-feature-for-device-recovery/20211011-162222 base: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git ath-next config: ia64-randconfig-r012-20211011 (attached as .config) compiler: ia64-linux-gcc (GCC) 11.2.0 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/a741690b3c6676fe11f42d6e9740b5d6f5fb91fa git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Wen-Gong/ath11k-add-feature-for-device-recovery/20211011-162222 git checkout a741690b3c6676fe11f42d6e9740b5d6f5fb91fa # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/net/wireless/ath/ath11k/mac.c: In function 'ath11k_mac_wait_reconfigure': >> drivers/net/wireless/ath/ath11k/mac.c:5187:14: warning: variable 'time_left' set but not used [-Wunused-but-set-variable] 5187 | long time_left; | ^~~~~~~~~ vim +/time_left +5187 drivers/net/wireless/ath/ath11k/mac.c 5184 5185 static void ath11k_mac_wait_reconfigure(struct ath11k_base *ab) 5186 { > 5187 long time_left; 5188 int recovery_start_count; 5189 5190 if (!ab->is_reset) 5191 return; 5192 5193 recovery_start_count = atomic_inc_return(&ab->recovery_start_count); 5194 ath11k_dbg(ab, ATH11K_DBG_MAC, "recovery start count %d\n", recovery_start_count); 5195 5196 if (recovery_start_count == ab->num_radios) { 5197 complete(&ab->recovery_start); 5198 ath11k_dbg(ab, ATH11K_DBG_MAC, "recovery started success\n"); 5199 } 5200 5201 ath11k_dbg(ab, ATH11K_DBG_MAC, "waiting reconfigure...\n"); 5202 5203 time_left = wait_for_completion_timeout(&ab->reconfigure_complete, 5204 ATH11K_RECONFIGURE_TIMEOUT_HZ); 5205 } 5206 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org