Hi Wenyou, [auto build test ERROR on linuxtv-media/master] [also build test ERROR on v4.14-rc1 next-20170915] [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/Wenyou-Yang/media-ov7670-Add-entity-init-and-power-operation/20170918-093913 base: git://linuxtv.org/media_tree.git master config: i386-randconfig-x009-09180108 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): drivers/media//i2c/ov7670.c: In function 'ov7670_set_fmt': >> drivers/media//i2c/ov7670.c:1004:14: error: implicit declaration of function 'v4l2_subdev_get_try_format' [-Werror=implicit-function-declaration] mbus_fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad); ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/media//i2c/ov7670.c:1004:12: warning: assignment makes pointer from integer without a cast [-Wint-conversion] mbus_fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad); ^ drivers/media//i2c/ov7670.c: In function 'ov7670_get_fmt': drivers/media//i2c/ov7670.c:1056:12: warning: assignment makes pointer from integer without a cast [-Wint-conversion] mbus_fmt = v4l2_subdev_get_try_format(sd, cfg, 0); ^ drivers/media//i2c/ov7670.c: In function 'ov7670_open': >> drivers/media//i2c/ov7670.c:1547:38: error: 'struct v4l2_subdev_fh' has no member named 'pad' v4l2_subdev_get_try_format(sd, fh->pad, 0); ^~ drivers/media//i2c/ov7670.c: In function 'ov7670_probe': drivers/media//i2c/ov7670.c:1750:10: error: 'struct v4l2_subdev' has no member named 'entity' info->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; ^ drivers/media//i2c/ov7670.c:1751:40: error: 'struct v4l2_subdev' has no member named 'entity' ret = media_entity_pads_init(&info->sd.entity, 1, &info->pad); ^ drivers/media//i2c/ov7670.c:1764:32: error: 'struct v4l2_subdev' has no member named 'entity' media_entity_cleanup(&info->sd.entity); ^ drivers/media//i2c/ov7670.c: In function 'ov7670_remove': drivers/media//i2c/ov7670.c:1781:32: error: 'struct v4l2_subdev' has no member named 'entity' media_entity_cleanup(&info->sd.entity); ^ cc1: some warnings being treated as errors vim +/v4l2_subdev_get_try_format +1004 drivers/media//i2c/ov7670.c 982 983 /* 984 * Set a format. 985 */ 986 static int ov7670_set_fmt(struct v4l2_subdev *sd, 987 struct v4l2_subdev_pad_config *cfg, 988 struct v4l2_subdev_format *format) 989 { 990 struct ov7670_format_struct *ovfmt; 991 struct ov7670_win_size *wsize; 992 struct ov7670_info *info = to_state(sd); 993 struct v4l2_mbus_framefmt *mbus_fmt; 994 unsigned char com7; 995 int ret; 996 997 if (format->pad) 998 return -EINVAL; 999 1000 if (format->which == V4L2_SUBDEV_FORMAT_TRY) { 1001 ret = ov7670_try_fmt_internal(sd, &format->format, NULL, NULL); 1002 if (ret) 1003 return ret; > 1004 mbus_fmt = v4l2_subdev_get_try_format(sd, cfg, format->pad); 1005 *mbus_fmt = format->format; 1006 return 0; 1007 } 1008 1009 ret = ov7670_try_fmt_internal(sd, &format->format, &ovfmt, &wsize); 1010 1011 if (ret) 1012 return ret; 1013 /* 1014 * COM7 is a pain in the ass, it doesn't like to be read then 1015 * quickly written afterward. But we have everything we need 1016 * to set it absolutely here, as long as the format-specific 1017 * register sets list it first. 1018 */ 1019 com7 = ovfmt->regs[0].value; 1020 com7 |= wsize->com7_bit; 1021 ov7670_write(sd, REG_COM7, com7); 1022 /* 1023 * Now write the rest of the array. Also store start/stops 1024 */ 1025 ov7670_write_array(sd, ovfmt->regs + 1); 1026 ov7670_set_hw(sd, wsize->hstart, wsize->hstop, wsize->vstart, 1027 wsize->vstop); 1028 ret = 0; 1029 if (wsize->regs) 1030 ret = ov7670_write_array(sd, wsize->regs); 1031 info->fmt = ovfmt; 1032 1033 /* 1034 * If we're running RGB565, we must rewrite clkrc after setting 1035 * the other parameters or the image looks poor. If we're *not* 1036 * doing RGB565, we must not rewrite clkrc or the image looks 1037 * *really* poor. 1038 * 1039 * (Update) Now that we retain clkrc state, we should be able 1040 * to write it unconditionally, and that will make the frame 1041 * rate persistent too. 1042 */ 1043 if (ret == 0) 1044 ret = ov7670_write(sd, REG_CLKRC, info->clkrc); 1045 return 0; 1046 } 1047 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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