Hi Mauro, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6d72dda014a4753974eb08950089ddf71fec4f60 commit: 772edc05cfcb96ce78aed17eef951d9e138f50eb [12686/13576] media: platform/*/Kconfig: make manufacturer menus more uniform config: nios2-randconfig-r031-20220319 (https://download.01.org/0day-ci/archive/20220319/202203191117.j8hMzGCd-lkp@xxxxxxxxx/config) compiler: nios2-linux-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=772edc05cfcb96ce78aed17eef951d9e138f50eb 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 772edc05cfcb96ce78aed17eef951d9e138f50eb # 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=nios2 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_subdev_link_validate" [drivers/media/platform/nxp/imx-mipi-csis.ko] undefined! >> ERROR: modpost: "v4l2_subdev_get_fwnode_pad_1_to_1" [drivers/media/platform/nxp/imx-mipi-csis.ko] undefined! >> ERROR: modpost: "v4l2_subdev_call_wrappers" [drivers/media/platform/nxp/imx-mipi-csis.ko] undefined! >> ERROR: modpost: "v4l2_get_link_freq" [drivers/media/platform/nxp/imx-mipi-csis.ko] undefined! >> ERROR: modpost: "v4l2_async_unregister_subdev" [drivers/media/platform/nxp/imx-mipi-csis.ko] undefined! >> ERROR: modpost: "v4l2_async_nf_cleanup" [drivers/media/platform/nxp/imx-mipi-csis.ko] undefined! >> ERROR: modpost: "v4l2_async_nf_unregister" [drivers/media/platform/nxp/imx-mipi-csis.ko] undefined! >> ERROR: modpost: "v4l2_async_register_subdev" [drivers/media/platform/nxp/imx-mipi-csis.ko] undefined! >> ERROR: modpost: "v4l2_async_subdev_nf_register" [drivers/media/platform/nxp/imx-mipi-csis.ko] undefined! >> ERROR: modpost: "__v4l2_async_nf_add_fwnode_remote" [drivers/media/platform/nxp/imx-mipi-csis.ko] undefined! WARNING: modpost: suppressed 6 unresolved symbol warnings because there were too many) 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_IMX_MIPI_CSIS && MEDIA_SUPPORT && MEDIA_PLATFORM_SUPPORT && MEDIA_PLATFORM_DRIVERS --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
