Hi Nicolas, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 9317f948b0b188b8d2fded75957e6d42c460df1b commit: 9ad9a52cce2828d932ae9495181e3d6414f72c07 [6390/13311] i3c/master: introduce the mipi-i3c-hci driver config: x86_64-randconfig-r033-20201216 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 71601d2ac9954cb59c443cb3ae442cb106df35d4) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 9ad9a52cce2828d932ae9495181e3d6414f72c07 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): static const struct of_device_id i3c_hci_of_match[] = { ^ 1 warning generated. vim +/i3c_hci_of_match +780 drivers/i3c/master/mipi-i3c-hci/core.c 779 781 { .compatible = "mipi-i3c-hci", }, 782 {}, 783 }; 784 MODULE_DEVICE_TABLE(of, i3c_hci_of_match); 785 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org