Hi Paul, Thank you for the patch! Yet something to improve: [auto build test ERROR on next-20220113] [cannot apply to linus/master v5.16 v5.16-rc8 v5.16-rc7 v5.16] [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/Paul-Menzel/Make-delay-before-de... base: 27c9d5b3c24af29de643533984f1ba3e650c7c78 config: openrisc-randconfig-r022-20220113 (https://download.01.org/0day-ci/archive/20220114/202201140438.GWafd2LV-lk...) compiler: or1k-linux-gcc (GCC) 11.2.0 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://github.com/0day-ci/linux/commit/81046cd50c93c5842ed8cc6ef28d3415e... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Paul-Menzel/Make-delay-before-debouncing-configurable/20220113-235010 git checkout 81046cd50c93c5842ed8cc6ef28d3415e8341e03 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=openrisc SHELL=/bin/bash 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 >>): or1k-linux-ld: drivers/ata/libata-sata.o: in function `sata_link_resume': libata-sata.c:(.text+0x21b8): undefined reference to `libata_debounce_delay_ms' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org