Hi Ma, kernel test robot noticed the following build errors: [auto build test ERROR on v6.7-rc1] [also build test ERROR on next-20231205] [cannot apply to drm-misc/drm-misc-next wireless-next/main wireless/main linus/master v6.7-rc3 v6.7-rc2] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ma-Jun/Documentation-driver-api-Add-document-about-WBRF-mechanism/20231129-181516 base: v6.7-rc1 patch link: https://lore.kernel.org/r/20231129091348.3972539-5-Jun.Ma2%40amd.com patch subject: [PATCH v14 4/9] wifi: mac80211: Add support for WBRF features config: arm-randconfig-004-20231201 (https://download.01.org/0day-ci/archive/20231206/202312061213.9yUe2RGP-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312061213.9yUe2RGP-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/202312061213.9yUe2RGP-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): net/mac80211/wbrf.c: In function 'ieee80211_add_wbrf': >> net/mac80211/wbrf.c:79:9: error: implicit declaration of function 'acpi_amd_wbrf_add_remove'; did you mean 'acpi_amd_wbrf_add_exclusion'? [-Werror=implicit-function-declaration] 79 | acpi_amd_wbrf_add_remove(dev, WBRF_RECORD_ADD, &ranges_in); | ^~~~~~~~~~~~~~~~~~~~~~~~ | acpi_amd_wbrf_add_exclusion cc1: some warnings being treated as errors vim +79 net/mac80211/wbrf.c 66 67 void ieee80211_add_wbrf(struct ieee80211_local *local, struct cfg80211_chan_def *chandef) 68 { 69 struct wbrf_ranges_in_out ranges_in = {0}; 70 struct device *dev; 71 72 if (!local->wbrf_supported) 73 return; 74 75 dev = local->hw.wiphy->dev.parent; 76 77 get_ranges_from_chandef(chandef, &ranges_in); 78 > 79 acpi_amd_wbrf_add_remove(dev, WBRF_RECORD_ADD, &ranges_in); 80 } 81 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki