Hi Mauro, Could you pickup [1] so we can solve this? 1. https://patchwork.linuxtv.org/project/linux-media/patch/20211126080623.1587610-1-sakari.ailus@xxxxxxxxxxxxxxx/ On 2021-12-03 14:18:41 +0800, kernel test robot wrote: > Hi Niklas, > > FYI, the error/warning still remains. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 9606f9efb1cec7f8f5912326f182fbfbcad34382 > commit: 5814f32fef137e34577c4f053272c53e7ca33cd9 [925/4921] media: staging: max96712: Add basic support for MAX96712 GMSL2 deserializer > config: arc-randconfig-r023-20211202 (https://download.01.org/0day-ci/archive/20211203/202112031447.GpyZHoNB-lkp@xxxxxxxxx/config) > compiler: arc-elf-gcc (GCC) 11.2.0 > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=5814f32fef137e34577c4f053272c53e7ca33cd9 > 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 5814f32fef137e34577c4f053272c53e7ca33cd9 > # save the config file to linux build tree > mkdir build_dir > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>, old ones prefixed by <<): > > >> ERROR: modpost: "v4l2_async_register_subdev" [drivers/staging/media/max96712/max96712.ko] undefined! > >> ERROR: modpost: "v4l2_ctrl_handler_free" [drivers/staging/media/max96712/max96712.ko] undefined! > >> ERROR: modpost: "v4l2_ctrl_new_std_menu_items" [drivers/staging/media/max96712/max96712.ko] undefined! > >> ERROR: modpost: "v4l2_ctrl_new_std" [drivers/staging/media/max96712/max96712.ko] undefined! > >> ERROR: modpost: "v4l2_ctrl_handler_init_class" [drivers/staging/media/max96712/max96712.ko] undefined! > >> ERROR: modpost: "v4l2_fwnode_endpoint_parse" [drivers/staging/media/max96712/max96712.ko] undefined! > >> ERROR: modpost: "v4l2_async_unregister_subdev" [drivers/staging/media/max96712/max96712.ko] undefined! > > Kconfig warnings: (for reference only) > WARNING: unmet direct dependencies detected for VIDEO_V4L2_SUBDEV_API > Depends on MEDIA_SUPPORT && VIDEO_DEV && MEDIA_CONTROLLER > Selected by > - VIDEO_MAX96712 && STAGING && STAGING_MEDIA && MEDIA_SUPPORT && I2C && OF_GPIO > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx -- Kind Regards, Niklas Söderlund