Hi shravan, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on v6.0-rc3] [also build test WARNING on linus/master next-20220831] [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/shravan-kumar/media-i2c-imx334-support-lower-bandwidth-mode/20220830-140816 base: b90cb1053190353cc30f0fef0ef1f378ccc063c5 config: openrisc-randconfig-m031-20220830 (https://download.01.org/0day-ci/archive/20220901/202209011420.aFw0x1Jm-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 12.1.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> smatch warnings: drivers/media/i2c/imx334.c:832 imx334_set_pad_format() warn: unsigned 'code' is never less than zero. vim +/code +832 drivers/media/i2c/imx334.c 811 812 /** 813 * imx334_set_pad_format() - Set subdevice pad format 814 * @sd: pointer to imx334 V4L2 sub-device structure 815 * @sd_state: V4L2 sub-device state 816 * @fmt: V4L2 sub-device format need to be set 817 * 818 * Return: 0 if successful, error code otherwise. 819 */ 820 static int imx334_set_pad_format(struct v4l2_subdev *sd, 821 struct v4l2_subdev_state *sd_state, 822 struct v4l2_subdev_format *fmt) 823 { 824 struct imx334 *imx334 = to_imx334(sd); 825 const struct imx334_mode *mode; 826 int ret = 0; 827 u32 code; 828 829 mutex_lock(&imx334->mutex); 830 831 code = imx219_get_format_code(imx334, fmt); > 832 if (code < 0) 833 return -EINVAL; 834 835 imx334->cur_code = code; 836 837 mode = v4l2_find_nearest_size(supported_modes, 838 ARRAY_SIZE(supported_modes), 839 width, height, 840 fmt->format.width, fmt->format.height); 841 842 imx334_fill_pad_format(imx334, mode, fmt); 843 844 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { 845 struct v4l2_mbus_framefmt *framefmt; 846 847 framefmt = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad); 848 *framefmt = fmt->format; 849 } else if (imx334->cur_mode != mode) { 850 ret = imx334_update_controls(imx334, mode); 851 if (!ret) 852 imx334->cur_mode = mode; 853 } 854 855 mutex_unlock(&imx334->mutex); 856 857 return ret; 858 } 859 -- 0-DAY CI Kernel Test Service https://01.org/lkp