Hi Jammy, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on media-tree/master] [also build test WARNING on next-20220920] [cannot apply to linus/master v6.0-rc6] [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/Jammy-Huang/add-aspeed-jpeg-support-for-aspeed-video/20220921-105350 base: git://linuxtv.org/media_tree.git master config: arm-multi_v5_defconfig (https://download.01.org/0day-ci/archive/20220921/202209211741.XHu8zd6f-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://github.com/intel-lab-lkp/linux/commit/99c2bf6f1dccc310cb9b2d9916292766f00ffb4f git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jammy-Huang/add-aspeed-jpeg-support-for-aspeed-video/20220921-105350 git checkout 99c2bf6f1dccc310cb9b2d9916292766f00ffb4f # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/media/platform/aspeed/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/media/platform/aspeed/aspeed-video.c:487:27: warning: unused variable 'compress_scheme_str' [-Wunused-const-variable] static const char * const compress_scheme_str[] = {"DCT Only", ^ In file included from drivers/media/platform/aspeed/aspeed-video.c:24: In file included from include/linux/videodev2.h:61: include/uapi/linux/videodev2.h:1776:2: warning: field within 'struct v4l2_ext_control' is less aligned than 'union v4l2_ext_control::(anonymous at include/uapi/linux/videodev2.h:1776:2)' and is usually due to 'struct v4l2_ext_control' being packed, which can lead to unaligned accesses [-Wunaligned-access] union { ^ 2 warnings generated. vim +/compress_scheme_str +487 drivers/media/platform/aspeed/aspeed-video.c 486 > 487 static const char * const compress_scheme_str[] = {"DCT Only", 488 "DCT VQ mix 2-color", "DCT VQ mix 4-color"}; 489 static const char * const format_str[] = {"Standard JPEG", 490 "Aspeed JPEG"}; 491 -- 0-DAY CI Kernel Test Service https://01.org/lkp
