Hi Vinay, kernel test robot noticed the following build warnings: [auto build test WARNING on media-tree/master] [also build test WARNING on linuxtv-media-stage/master next-20240110] [cannot apply to sailus-media-tree/streams linus/master v6.7] [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/Vinay-Varma/media-i2c-imx219-implement-v4l2-selection-api/20240109-115310 base: git://linuxtv.org/media_tree.git master patch link: https://lore.kernel.org/r/20240109035045.552097-1-varmavinaym%40gmail.com patch subject: [PATCH v2] media: i2c: imx219: implement v4l2 selection api config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20240111/202401110518.L0kScfAo-lkp@xxxxxxxxx/config) compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240111/202401110518.L0kScfAo-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202401110518.L0kScfAo-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/media/i2c/imx219.c:950:29: warning: variable 'fmt' set but not used [-Wunused-but-set-variable] 950 | struct v4l2_mbus_framefmt *fmt; | ^ 1 warning generated. vim +/fmt +950 drivers/media/i2c/imx219.c 937 938 #define IMX219_ROUND(dim, step, flags) \ 939 ((flags) & V4L2_SEL_FLAG_GE ? \ 940 round_up((dim), (step)) : \ 941 ((flags) & V4L2_SEL_FLAG_LE ? \ 942 round_down((dim), (step)) : \ 943 round_down((dim) + (step) / 2, (step)))) 944 945 static bool imx219_set_selection_crop(struct v4l2_subdev *sd, 946 struct v4l2_subdev_state *sd_state, 947 struct v4l2_subdev_selection *sel) 948 { 949 struct v4l2_rect *compose, *crop; > 950 struct v4l2_mbus_framefmt *fmt; 951 u32 max_binning; 952 953 crop = v4l2_subdev_state_get_crop(sd_state, 0); 954 if (v4l2_rect_equal(&sel->r, crop)) 955 return false; 956 max_binning = binning_ratios[ARRAY_SIZE(binning_ratios) - 1]; 957 sel->r.width = 958 clamp(IMX219_ROUND(sel->r.width, max_binning, sel->flags), 959 max_binning * IMX219_MIN_COMPOSE_SIZE, 960 IMX219_PIXEL_ARRAY_WIDTH); 961 sel->r.height = 962 clamp(IMX219_ROUND(sel->r.width, max_binning, sel->flags), 963 max_binning * IMX219_MIN_COMPOSE_SIZE, 964 IMX219_PIXEL_ARRAY_WIDTH); 965 sel->r.left = 966 min_t(u32, sel->r.left, IMX219_PIXEL_ARRAY_LEFT - sel->r.width); 967 sel->r.top = 968 min_t(u32, sel->r.top, IMX219_PIXEL_ARRAY_TOP - sel->r.top); 969 970 compose = v4l2_subdev_state_get_compose(sd_state, 0); 971 fmt = v4l2_subdev_state_get_format(sd_state, 0); 972 *crop = sel->r; 973 compose->height = crop->height; 974 compose->width = crop->width; 975 return true; 976 } 977 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki