Hi "Marek, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on pavel-linux-leds/for-next] [also build test WARNING on next-20200918] [cannot apply to powerpc/next j.anaszewski-leds/for-next v5.9-rc5] [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/0day-ci/linux/commits/Marek-Beh-n/Start-moving-parsing... base: git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git for-next config: x86_64-randconfig-a011-20200918 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 0ff28fa6a75617d61b1aeea77463d6a1684c3c89) 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 # 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 of_ns2_leds_match[] = { ^ 1 warning generated. # https://github.com/0day-ci/linux/commit/a01a08dc1961ec2e494b57258544eeb6e... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Marek-Beh-n/Start-moving-parsing-of-linux-default-trigger-to-LED-core-a-cleanup-of-LED-drivers/20200918-063850 git checkout a01a08dc1961ec2e494b57258544eeb6e4d01b87 vim +/of_ns2_leds_match +329 drivers/leds/leds-ns2.c 72052fcc102638 Simon Guinot 2012-10-17 328 72052fcc102638 Simon Guinot 2012-10-17 @329 static const struct of_device_id of_ns2_leds_match[] = { 72052fcc102638 Simon Guinot 2012-10-17 330 { .compatible = "lacie,ns2-leds", }, 72052fcc102638 Simon Guinot 2012-10-17 331 {}, 72052fcc102638 Simon Guinot 2012-10-17 332 }; 98f9cc7ffcf2cb Luis de Bethencourt 2015-09-01 333 MODULE_DEVICE_TABLE(of, of_ns2_leds_match); 72052fcc102638 Simon Guinot 2012-10-17 334 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org