Hi Edmond, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on wireless-next/main] [also build test WARNING on kvalo-ath/ath-next next-20220318] [cannot apply to wireless/main kvalo-wireless-drivers/master v5.17-rc8] [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/Edmond-Gagnon/wcn36xx-Implement-tx_rate-reporting/20220319-040030 base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main config: i386-randconfig-a005 (https://download.01.org/0day-ci/archive/20220319/202203190720.E8jZHrLo-lkp@xxxxxxxxx/config) compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/ec06272b313bdabd805efd65a0a6c2a74b82803f git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Edmond-Gagnon/wcn36xx-Implement-tx_rate-reporting/20220319-040030 git checkout ec06272b313bdabd805efd65a0a6c2a74b82803f # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/net/wireless/ath/wcn36xx/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/net/wireless/ath/wcn36xx/main.c:1604:6: warning: no previous prototype for 'wcn36xx_get_stats_work' [-Wmissing-prototypes] 1604 | void wcn36xx_get_stats_work(struct work_struct *work) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/ath/wcn36xx/main.c: In function 'wcn36xx_get_stats_work': >> drivers/net/wireless/ath/wcn36xx/main.c:1608:6: warning: variable 'stats_status' set but not used [-Wunused-but-set-variable] 1608 | int stats_status; | ^~~~~~~~~~~~ vim +/wcn36xx_get_stats_work +1604 drivers/net/wireless/ath/wcn36xx/main.c 1603 > 1604 void wcn36xx_get_stats_work(struct work_struct *work) 1605 { 1606 struct delayed_work *delayed_work = container_of(work, struct delayed_work, work); 1607 struct wcn36xx *wcn = container_of(delayed_work, struct wcn36xx, get_stats_work); > 1608 int stats_status; 1609 1610 stats_status = wcn36xx_smd_get_stats(wcn, HAL_GLOBAL_CLASS_A_STATS_INFO); 1611 1612 schedule_delayed_work(&wcn->get_stats_work, msecs_to_jiffies(WCN36XX_HAL_STATS_INTERVAL)); 1613 } 1614 --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx