Hi Lingbo, kernel test robot noticed the following build warnings: [auto build test WARNING on 3b961e3a412d9d4b70418f53d07847af0a7ea376] url: https://github.com/intel-lab-lkp/linux/commits/Lingbo-Kong/wifi-ath12k-add-TAS-capability-for-WCN7850/20231009-170444 base: 3b961e3a412d9d4b70418f53d07847af0a7ea376 patch link: https://lore.kernel.org/r/20231009090149.247211-2-quic_lingbok%40quicinc.com patch subject: [PATCH v5 1/4] wifi: ath12k: add TAS capability for WCN7850 config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20231009/202310092349.fe3kN7bp-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231009/202310092349.fe3kN7bp-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202310092349.fe3kN7bp-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/net/wireless/ath/ath12k/acpi.c:109:6: warning: no previous prototype for 'ath12k_acpi_remove_notify' [-Wmissing-prototypes] 109 | void ath12k_acpi_remove_notify(struct ath12k_base *ab) | ^~~~~~~~~~~~~~~~~~~~~~~~~ vim +/ath12k_acpi_remove_notify +109 drivers/net/wireless/ath/ath12k/acpi.c 108 > 109 void ath12k_acpi_remove_notify(struct ath12k_base *ab) 110 { 111 acpi_remove_notify_handler(ACPI_HANDLE(ab->dev), 112 ACPI_DEVICE_NOTIFY, 113 acpi_dsm_notify); 114 } 115 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
