[kbuild-all] [chrome-os:chromeos-5.15 994/2818] drivers/input/keyboard/cros_ec_keyb.c:212:6: error: no previous prototype for 'cros_ec_keyb_bs_event'

tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.15 head: b4852fbf90916fdc2f1e0e282e100f7e0e889d77 commit: a3678c46956afeb8357cb08148bc1057f26f538b [994/2818] CHROMIUM: input: Add walker for buttons/switches map config: arm-chromiumos-arm-customedconfig-chrome-os:chromeos-5.15:b4852fbf90916fdc2f1e0e282e100f7e0e889d77 (https://download.01.org/0day-ci/archive/20211212/202112121128.Wokvza3l-lk...) compiler: arm-linux-gnueabi-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 git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.15 git checkout a3678c46956afeb8357cb08148bc1057f26f538b # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash 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 >>): 212 | void cros_ec_keyb_bs_event(struct cros_ec_keyb *ckdev, | ^~~~~~~~~~~~~~~~~~~~~ 224 | void cros_ec_keyb_bs_set(struct cros_ec_keyb *ckdev, | ^~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/cros_ec_keyb_bs_event +212 drivers/input/keyboard/cros_ec_keyb.c 208 209 /** 210 * cros_ec_keyb_bs_event - Report a given button switch event 211 */ 213 const struct cros_ec_bs_map *map, 214 u32 mask) 215 { 216 input_event(ckdev->bs_idev, map->ev_type, map->code, 217 !!(mask & BIT(map->bit)) ^ map->inverted); 218 } 219 220 221 /** 222 * cros_ec_keyb_bs_set - Set capability for a given button switch 223 */ 225 const struct cros_ec_bs_map *map, 226 u32 mask) 227 { 228 if (mask & BIT(map->bit)) 229 input_set_capability(ckdev->bs_idev, map->ev_type, map->code); 230 } 231 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org