Hi Rui, I love your patch! Yet something to improve: [auto build test ERROR on v4.16] [cannot apply to linuxtv-media/master next-20180403] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Rui-Miguel-Silva/media-Introduce-Omnivision-OV2680-driver/20180404-032903 config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=sh All errors (new ones prefixed by >>): drivers/media//i2c/ov2680.c: In function 'ov2680_set_fmt': >> drivers/media//i2c/ov2680.c:692:9: error: implicit declaration of function 'v4l2_find_nearest_size'; did you mean 'v4l2_find_nearest_format'? [-Werror=implicit-function-declaration] mode = v4l2_find_nearest_size(ov2680_mode_data, ^~~~~~~~~~~~~~~~~~~~~~ v4l2_find_nearest_format >> drivers/media//i2c/ov2680.c:693:41: error: 'width' undeclared (first use in this function) ARRAY_SIZE(ov2680_mode_data), width, ^~~~~ drivers/media//i2c/ov2680.c:693:41: note: each undeclared identifier is reported only once for each function it appears in >> drivers/media//i2c/ov2680.c:694:11: error: 'height' undeclared (first use in this function); did you mean 'hweight8'? height, fmt->width, fmt->height); ^~~~~~ hweight8 cc1: some warnings being treated as errors vim +692 drivers/media//i2c/ov2680.c 672 673 static int ov2680_set_fmt(struct v4l2_subdev *sd, 674 struct v4l2_subdev_pad_config *cfg, 675 struct v4l2_subdev_format *format) 676 { 677 struct ov2680_dev *sensor = to_ov2680_dev(sd); 678 struct v4l2_mbus_framefmt *fmt = &format->format; 679 const struct ov2680_mode_info *mode; 680 int ret = 0; 681 682 if (format->pad != 0) 683 return -EINVAL; 684 685 mutex_lock(&sensor->lock); 686 687 if (sensor->is_streaming) { 688 ret = -EBUSY; 689 goto unlock; 690 } 691 > 692 mode = v4l2_find_nearest_size(ov2680_mode_data, > 693 ARRAY_SIZE(ov2680_mode_data), width, > 694 height, fmt->width, fmt->height); 695 if (!mode) { 696 ret = -EINVAL; 697 goto unlock; 698 } 699 700 if (format->which == V4L2_SUBDEV_FORMAT_TRY) { 701 fmt = v4l2_subdev_get_try_format(sd, cfg, 0); 702 703 *fmt = format->format; 704 goto unlock; 705 } 706 707 fmt->width = mode->width; 708 fmt->height = mode->height; 709 fmt->code = sensor->fmt.code; 710 fmt->colorspace = sensor->fmt.colorspace; 711 712 sensor->current_mode = mode; 713 sensor->fmt = format->format; 714 sensor->mode_pending_changes = true; 715 716 unlock: 717 mutex_unlock(&sensor->lock); 718 719 return ret; 720 } 721 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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