tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: f2528c29385819a84480cacef4886b049761e2c5 commit: 38493f008deb435577361d4c4cdd69f7bb30f4b9 [7168/8914] regulator: max597x: Add support for max597x regulator config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220709/202207090537.PERTk8TN-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=38493f008deb435577361d4c4cdd69f7bb30f4b9 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 38493f008deb435577361d4c4cdd69f7bb30f4b9 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> Note: the linux-next/master HEAD f2528c29385819a84480cacef4886b049761e2c5 builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): >> drivers/regulator/max597x-regulator.c:24:10: fatal error: linux/mfd/max597x.h: No such file or directory 24 | #include <linux/mfd/max597x.h> | ^~~~~~~~~~~~~~~~~~~~~ compilation terminated. vim +24 drivers/regulator/max597x-regulator.c 23 > 24 #include <linux/mfd/max597x.h> 25 -- 0-DAY CI Kernel Test Service https://01.org/lkp