Hi Andy, kernel test robot noticed the following build errors: [auto build test ERROR on jic23-iio/togreg] [also build test ERROR on lee-backlight/for-backlight-fixes linus/master v6.10-rc1 next-20240531] [cannot apply to lee-backlight/for-backlight-next] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Andy-Shevchenko/backlight-lm3533_bl-Remove-the-driver/20240601-011153 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/20240531170844.1595468-5-andriy.shevchenko%40linux.intel.com patch subject: [PATCH v1 4/4] mfd: lm3533: Remove the driver config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20240601/202406011025.2DhlyP3G-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project bafda89a0944d947fc4b3b5663185e07a397ac30) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240601/202406011025.2DhlyP3G-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202406011025.2DhlyP3G-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/mfd/lm3533-ctrlbank.c:13:10: fatal error: 'linux/mfd/lm3533.h' file not found 13 | #include <linux/mfd/lm3533.h> | ^~~~~~~~~~~~~~~~~~~~ 1 error generated. vim +13 drivers/mfd/lm3533-ctrlbank.c 16c5c023aac862 Johan Hovold 2012-05-03 12 16c5c023aac862 Johan Hovold 2012-05-03 @13 #include <linux/mfd/lm3533.h> 16c5c023aac862 Johan Hovold 2012-05-03 14 16c5c023aac862 Johan Hovold 2012-05-03 15 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki