Hi Guenter, FYI, the error/warning still remains. tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10 head: e20fbb376bc6e238611a61cc84c070f5c73bf70c commit: e2ab415f43ccbb60df9c64cf69ba6881d13738ad [1/35] FIXUP: FROMGIT: remoteproc/mtk_scp: surround DT device IDs with CONFIG_OF config: x86_64-randconfig-a002-20210618 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401) 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 git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.10 git checkout e2ab415f43ccbb60df9c64cf69ba6881d13738ad # 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 mtk_scp_of_data mt8183_of_data = { ^ static const struct mtk_scp_of_data mt8192_of_data = { ^ 2 warnings generated. vim +/mt8183_of_data +854 drivers/remoteproc/mtk_scp.c 63c13d61eafe46 Erin Lo 2019-11-12 853 fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 @854 static const struct mtk_scp_of_data mt8183_of_data = { fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 855 .scp_before_load = mt8183_scp_before_load, fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 856 .scp_irq_handler = mt8183_scp_irq_handler, fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 857 .scp_reset_assert = mt8183_scp_reset_assert, fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 858 .scp_reset_deassert = mt8183_scp_reset_deassert, fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 859 .scp_stop = mt8183_scp_stop, 1f52378f9cd441 Tzung-Bi Shih 2021-01-27 860 .scp_da_to_va = mt8183_scp_da_to_va, fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 861 .host_to_scp_reg = MT8183_HOST_TO_SCP, fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 862 .host_to_scp_int_bit = MT8183_HOST_IPC_INT_BIT, 2d98bf34a9d96b Tzung-Bi Shih 2020-12-02 863 .ipi_buf_offset = 0x7bdb0, fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 864 }; fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 865 fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 @866 static const struct mtk_scp_of_data mt8192_of_data = { fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 867 .scp_before_load = mt8192_scp_before_load, fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 868 .scp_irq_handler = mt8192_scp_irq_handler, fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 869 .scp_reset_assert = mt8192_scp_reset_assert, fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 870 .scp_reset_deassert = mt8192_scp_reset_deassert, fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 871 .scp_stop = mt8192_scp_stop, 1f52378f9cd441 Tzung-Bi Shih 2021-01-27 872 .scp_da_to_va = mt8192_scp_da_to_va, fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 873 .host_to_scp_reg = MT8192_GIPC_IN_SET, fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 874 .host_to_scp_int_bit = MT8192_HOST_IPC_INT_BIT, fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 875 }; fd0b6c1ff85a48 Pi-Hsun Shih 2020-09-21 876 :::::: The code at line 854 was first introduced by commit :::::: fd0b6c1ff85a489bcf1bcf58af64da1aeffd39f0 remoteproc/mediatek: Add support for mt8192 SCP :::::: TO: Pi-Hsun Shih <pihsun(a)chromium.org&gt; :::::: CC: Bjorn Andersson <bjorn.andersson(a)linaro.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org