Hi Bjorn, I love your patch! Yet something to improve: [auto build test ERROR on robh/for-next] [also build test ERROR on pavel-linux-leds/for-next v5.12 next-20210429] [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/Bjorn-Andersson/Qualcomm-Light-Pulse-Generator/20210430-051736 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: x86_64-allyesconfig (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/45509bacfcf87714f6a99dd7d01cc31c582e5fa2 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Bjorn-Andersson/Qualcomm-Light-Pulse-Generator/20210430-051736 git checkout 45509bacfcf87714f6a99dd7d01cc31c582e5fa2 # save the attached .config to linux build tree make W=1 W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> scripts/Makefile.clean:15: drivers/leds/rgb/Makefile: No such file or directory >> make[4]: *** No rule to make target 'drivers/leds/rgb/Makefile'. make[4]: Failed to remake makefile 'drivers/leds/rgb/Makefile'. make[3]: *** [scripts/Makefile.clean:68: drivers/leds/rgb] Error 2 make[3]: Target '__clean' not remade because of errors. make[2]: *** [scripts/Makefile.clean:68: drivers/leds] Error 2 make[2]: Target '__clean' not remade because of errors. make[1]: *** [Makefile:1856: _clean_drivers] Error 2 make[1]: Target 'distclean' not remade because of errors. make: *** [Makefile:215: __sub-make] Error 2 make: Target 'distclean' not remade because of errors. vim +15 scripts/Makefile.clean 2315c6e4227815 Sam Ravnborg 2005-07-25 12 2a691470345a00 Sam Ravnborg 2005-07-25 13 # The filename Kbuild has precedence over Makefile db8c1a7b2ca25f Sam Ravnborg 2005-07-27 14 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) db8c1a7b2ca25f Sam Ravnborg 2005-07-27 @15 include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile) ^1da177e4c3f41 Linus Torvalds 2005-04-16 16 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org