On Sun, Dec 26, 2021 at 07:36:24AM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: ea586a076e8aa606c59b66d86660590f18354b11 > commit: 5814f32fef137e34577c4f053272c53e7ca33cd9 [838/9897] media: staging: max96712: Add basic support for MAX96712 GMSL2 deserializer > config: i386-randconfig-a012-20211226 (https://download.01.org/0day-ci/archive/20211226/202112260753.8orwHSlb-lkp@xxxxxxxxx/config) > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project a9e8b1ee7fd44b53c555a7823ae8fd1a8209c520) > 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=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > Note: the linux-next/master HEAD ea586a076e8aa606c59b66d86660590f18354b11 builds fine. > It may have been fixed somewhere. > > 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! This is fixed by: commit 8cc464fdcaaef1a38423c79c29df96db397d8b69 Author: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> Date: Fri Nov 26 09:04:42 2021 +0100 media: max96712: Depend on VIDEO_V4L2 Depend on VIDEO_V4L2 for the driver actually depends on it, failing to compile otherwise. Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> > > 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 -- Sakari Ailus