tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 34d1d36073ea4d4c532e8c8345627a9702be799e commit: 490b495cab2959c68d6bf3cff19bc24088df97be [2947/4834] mfd: core: Use acpi_dev_for_each_child() config: i386-debian-10.3-kselftests (https://download.01.org/0day-ci/archive/20220621/202206212346.bFCPpomW-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=490b495cab2959c68d6bf3cff19bc24088df97be 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 490b495cab2959c68d6bf3cff19bc24088df97be # 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> All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "acpi_dev_for_each_child" [drivers/mfd/mfd-core.ko] undefined! -- 0-DAY CI Kernel Test Service https://01.org/lkp
