Hi Mauro, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7b56fbd83e261484da43f04090bce07570bd117f commit: a19f228b8dd9a67e8de4ebd4eac8a4c94ec39d1a media: Kconfig: not all V4L2 platform drivers are for camera date: 7 months ago config: x86_64-randconfig-a005-20201102 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 235dfcf70abca65dba5d80f1a42d1485bab8980c) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a19f228b8dd9a67e8de4ebd4eac8a4c94ec39d1a git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout a19f228b8dd9a67e8de4ebd4eac8a4c94ec39d1a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/media/platform/imx-pxp.c:1747:34: warning: unused variable 'pxp_dt_ids' [-Wunused-const-variable] static const struct of_device_id pxp_dt_ids[] = { ^ 1 warning generated. -- >> drivers/media/platform/s5p-jpeg/jpeg-core.c:3142:34: warning: unused variable 'samsung_jpeg_match' [-Wunused-const-variable] static const struct of_device_id samsung_jpeg_match[] = { ^ 1 warning generated. -- drivers/media/platform/mtk-mdp/mtk_mdp_core.c:139:15: warning: cast to smaller integer type 'enum mtk_mdp_comp_type' from 'const void *' [-Wvoid-pointer-to-enum-cast] comp_type = (enum mtk_mdp_comp_type)of_id->data; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/media/platform/mtk-mdp/mtk_mdp_core.c:32:34: warning: unused variable 'mtk_mdp_comp_dt_ids' [-Wunused-const-variable] static const struct of_device_id mtk_mdp_comp_dt_ids[] = { ^ 2 warnings generated. vim +/pxp_dt_ids +1747 drivers/media/platform/imx-pxp.c 51abcf7fdb70b8 Philipp Zabel 2018-09-06 1746 51abcf7fdb70b8 Philipp Zabel 2018-09-06 @1747 static const struct of_device_id pxp_dt_ids[] = { 51abcf7fdb70b8 Philipp Zabel 2018-09-06 1748 { .compatible = "fsl,imx6ull-pxp", .data = NULL }, 51abcf7fdb70b8 Philipp Zabel 2018-09-06 1749 { }, 51abcf7fdb70b8 Philipp Zabel 2018-09-06 1750 }; 51abcf7fdb70b8 Philipp Zabel 2018-09-06 1751 MODULE_DEVICE_TABLE(of, pxp_dt_ids); 51abcf7fdb70b8 Philipp Zabel 2018-09-06 1752 :::::: The code at line 1747 was first introduced by commit :::::: 51abcf7fdb70b82b7f8a7c177271f29aed9866bd media: imx-pxp: add i.MX Pixel Pipeline driver :::::: TO: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> :::::: CC: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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