Hi Rui, I love your patch! Yet something to improve: [auto build test ERROR on v4.16-rc4] [cannot apply to next-20180314] [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/20180315-020617 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:713:9: 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:714:41: error: 'width' undeclared (first use in this function) ARRAY_SIZE(ov2680_mode_data), width, ^~~~~ drivers/media/i2c/ov2680.c:714:41: note: each undeclared identifier is reported only once for each function it appears in >> drivers/media/i2c/ov2680.c:715:11: 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 +713 drivers/media/i2c/ov2680.c 693 694 static int ov2680_set_fmt(struct v4l2_subdev *sd, 695 struct v4l2_subdev_pad_config *cfg, 696 struct v4l2_subdev_format *format) 697 { 698 struct ov2680_dev *sensor = to_ov2680_dev(sd); 699 struct v4l2_mbus_framefmt *fmt = &format->format; 700 const struct ov2680_mode_info *mode; 701 int ret = 0; 702 703 if (format->pad != 0) 704 return -EINVAL; 705 706 mutex_lock(&sensor->lock); 707 708 if (sensor->is_streaming) { 709 ret = -EBUSY; 710 goto unlock; 711 } 712 > 713 mode = v4l2_find_nearest_size(ov2680_mode_data, > 714 ARRAY_SIZE(ov2680_mode_data), width, > 715 height, fmt->width, fmt->height); 716 if (!mode) { 717 ret = -EINVAL; 718 goto unlock; 719 } 720 721 if (format->which == V4L2_SUBDEV_FORMAT_TRY) { 722 fmt = v4l2_subdev_get_try_format(sd, cfg, 0); 723 724 *fmt = format->format; 725 goto unlock; 726 } 727 728 fmt->width = mode->width; 729 fmt->height = mode->height; 730 fmt->code = sensor->fmt.code; 731 fmt->colorspace = sensor->fmt.colorspace; 732 733 sensor->current_mode = mode; 734 sensor->fmt = format->format; 735 sensor->mode_pending_changes = true; 736 737 unlock: 738 mutex_unlock(&sensor->lock); 739 740 return ret; 741 } 742 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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