Hi Corentin, I love your patch! Perhaps something to improve: [auto build test WARNING on staging/staging-testing] url: https://github.com/0day-ci/linux/commits/Corentin-Labbe/staging-media-zoran-fusion-in-one-module/20210904-031844 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 5d7d11dead3ea7191a8e8635fb718d0c3f203fe0 config: arc-allyesconfig (attached as .config) compiler: arceb-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://github.com/0day-ci/linux/commit/1e16912d8cd1602ddb54f3e43e17021b8daf4e58 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Corentin-Labbe/staging-media-zoran-fusion-in-one-module/20210904-031844 git checkout 1e16912d8cd1602ddb54f3e43e17021b8daf4e58 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/staging/media/zoran/zoran_card.c: In function 'zoran_debugfs_show': >> drivers/staging/media/zoran/zoran_card.c:1061:32: warning: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'v4l2_std_id' {aka 'long long unsigned int'} [-Wformat=] 1061 | seq_printf(seq, "Norm %x\n", zr->norm); | ~^ ~~~~~~~~ | | | | | v4l2_std_id {aka long long unsigned int} | unsigned int | %llx vim +1061 drivers/staging/media/zoran/zoran_card.c 1053 1054 #ifdef CONFIG_VIDEO_ZORAN_DEBUG 1055 static int zoran_debugfs_show(struct seq_file *seq, void *v) 1056 { 1057 struct zoran *zr = seq->private; 1058 1059 seq_printf(seq, "Running mode %x\n", zr->running); 1060 seq_printf(seq, "Codec mode %x\n", zr->codec_mode); > 1061 seq_printf(seq, "Norm %x\n", zr->norm); 1062 seq_printf(seq, "Input %d\n", zr->input); 1063 seq_printf(seq, "Buffersize %d\n", zr->buffer_size); 1064 1065 seq_printf(seq, "V4L width %dx%d\n", zr->v4l_settings.width, zr->v4l_settings.height); 1066 seq_printf(seq, "V4L bytesperline %d\n", zr->v4l_settings.bytesperline); 1067 1068 seq_printf(seq, "JPG decimation %u\n", zr->jpg_settings.decimation); 1069 seq_printf(seq, "JPG hor_dcm %u\n", zr->jpg_settings.hor_dcm); 1070 seq_printf(seq, "JPG ver_dcm %u\n", zr->jpg_settings.ver_dcm); 1071 seq_printf(seq, "JPG tmp_dcm %u\n", zr->jpg_settings.tmp_dcm); 1072 seq_printf(seq, "JPG odd_even %u\n", zr->jpg_settings.odd_even); 1073 seq_printf(seq, "JPG crop %dx%d %d %d\n", 1074 zr->jpg_settings.img_x, 1075 zr->jpg_settings.img_y, 1076 zr->jpg_settings.img_width, 1077 zr->jpg_settings.img_height); 1078 1079 seq_printf(seq, "Prepared %u\n", zr->prepared); 1080 seq_printf(seq, "Queued %u\n", zr->queued); 1081 return 0; 1082 } 1083 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org