Hi, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [cannot apply to v5.13 next-20210709] [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/trix-redhat-com/fpga-fpga-mgr-mo... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git f55966571d5eb2876a11e48e798b4592fa1ffbb7 config: i386-randconfig-a016-20210709 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/afee0ef49cd3ec87aedcae556893cdea3... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review trix-redhat-com/fpga-fpga-mgr-move-compat_id-from-fpga_mgr-to-dfl/20210709-214433 git checkout afee0ef49cd3ec87aedcae556893cdea33cf7f1f # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org