Hi Quan, I love your patch! Yet something to improve: [auto build test ERROR on cminyard-ipmi/for-next] [also build test ERROR on wsa/i2c/for-next v5.19-rc2 next-20220616] [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/intel-lab-lkp/linux/commits/Quan-Nguyen/Add-SSIF-BMC-driver/20220615-170539 base: https://github.com/cminyard/linux-ipmi for-next config: i386-randconfig-a006 (https://download.01.org/0day-ci/archive/20220617/202206170337.0kCTfR63-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project f0e608de27b3d568000046eebf3712ab542979d6) 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/intel-lab-lkp/linux/commit/0feb5f0351d090633e7522dbec22de419a04b85f git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Quan-Nguyen/Add-SSIF-BMC-driver/20220615-170539 git checkout 0feb5f0351d090633e7522dbec22de419a04b85f # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from <built-in>:1: >> ./usr/include/linux/ipmi_ssif_bmc.h:13:2: error: unknown type name '__u8' __u8 payload[IPMI_SSIF_PAYLOAD_MAX]; ^ 1 error generated. -- 0-DAY CI Kernel Test Service https://01.org/lkp