Hi Arnd, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8ab774587903771821b59471cc723bba6d893942 commit: 7f94b69ece515ac82defa60ef7cba2cf26180216 ARM: ixp4xx: fix compile-testing soc drivers date: 4 months ago config: hexagon-randconfig-r041-20210927 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dc6e8dfdfe7efecfda318d43a06fae18b40eb498) 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 7f94b69ece515ac82defa60ef7cba2cf26180216 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon 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 ixp4xx_npe_of_match[] = { ^ 1 warning generated. vim +/ixp4xx_npe_of_match +737 drivers/soc/ixp4xx/ixp4xx-npe.c 82a96f5790ac93 arch/arm/mach-ixp4xx/ixp4xx_npe.c Krzysztof Halasa 2008-01-01 736 e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 @737 static const struct of_device_id ixp4xx_npe_of_match[] = { e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 738 { e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 739 .compatible = "intel,ixp4xx-network-processing-engine", e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 740 }, e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 741 {}, e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 742 }; e00797f2e05b7f drivers/soc/ixp4xx/ixp4xx-npe.c Linus Walleij 2019-02-10 743 :::::: The code at line 737 was first introduced by commit :::::: e00797f2e05b7f3758bb96e6248aff8d95999cec soc: ixp4xx: npe: Add DT probe code :::::: TO: Linus Walleij <linus.walleij(a)linaro.org&gt; :::::: CC: Linus Walleij <linus.walleij(a)linaro.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org