tree: https://github.com/frank-w/BPI-R2-4.14 5.16-rc head: 8af9c27055aafb5fd0232fd53de39444a474219d commit: 9651c96de215b95165ecaaedc206074cdfb15123 [4/22] mt6625l: include wifi-code config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20211211/202112112304.Id5l5ySo-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 # https://github.com/frank-w/BPI-R2-4.14/commit/9651c96de215b95165ecaaedc20... git remote add frank-w-bpi-r2-4.14 https://github.com/frank-w/BPI-R2-4.14 git fetch --no-tags frank-w-bpi-r2-4.14 5.16-rc git checkout 9651c96de215b95165ecaaedc206074cdfb15123 # 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 >>): In file included from drivers/misc/mediatek/connectivity/common/common_detect/wmt_gpio.c:15: 24 | #include "osal.h" | ^~~~~~~~ cc1: all warnings being treated as errors compilation terminated. -- cc1: all warnings being treated as errors --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org