Hi Wentong, Thank you for the patch! Yet something to improve: [auto build test ERROR on media-tree/master] [also build test ERROR on sailus-media-tree/streams linus/master v6.2-rc7 next-20230210] [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/Wentong-Wu/media-pci-intel-ivsc-Add-CSI-submodule/20230210-090202 base: git://linuxtv.org/media_tree.git master patch link: https://lore.kernel.org/r/20230210010221.2466486-2-wentong.wu%40intel.com patch subject: [PATCH v1 1/3] media: pci: intel: ivsc: Add CSI submodule config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20230211/202302110756.bGB3JLgP-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/bb45f3cb357165838a3c90d4bddfad40ad2d8ce7 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Wentong-Wu/media-pci-intel-ivsc-Add-CSI-submodule/20230210-090202 git checkout bb45f3cb357165838a3c90d4bddfad40ad2d8ce7 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 olddefconfig 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> | Link: https://lore.kernel.org/oe-kbuild-all/202302110756.bGB3JLgP-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): ld: drivers/media/pci/intel/ivsc/mei_csi.o: in function `csi_set_link_cfg': >> mei_csi.c:(.text+0x1a6): undefined reference to `__udivdi3' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests