From: kernel test robot <lkp@intel.com>
To: Daniel Scally <dan.scally@ideasonboard.com>,
<linux-media@vger.kernel.org>
Cc: <oe-kbuild-all@lists.linux.dev>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Jacopo Mondi <jacopo.mondi@ideasonboard.com>,
Daniel Scally <dan.scally@ideasonboard.com>
Subject: Re: [PATCH 2/4] media: mc: entity: Embed entity iterator in pipeline
Date: Wed, 9 Jul 2025 09:07:03 +0800 [thread overview]
Message-ID: <aG3At0Z78JR6diVQ@rli9-mobl> (raw)
In-Reply-To: <20250702-pipelines-v1-2-34525973e773@ideasonboard.com>
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Hi Daniel,
kernel test robot noticed the following build warnings:
[auto build test WARNING on c0b1da281d84d33281fc49289f0c7f8aada450ff]
url: https://github.com/intel-lab-lkp/linux/commits/Daniel-Scally/media-mc-entity-Move-media-pipeline-entity-iteration-functions/20250702-231706
base: c0b1da281d84d33281fc49289f0c7f8aada450ff
patch link: https://lore.kernel.org/r/20250702-pipelines-v1-2-34525973e773%40ideasonboard.com
patch subject: [PATCH 2/4] media: mc: entity: Embed entity iterator in pipeline
:::::: branch date: 6 days ago
:::::: commit date: 6 days ago
config: arc-allmodconfig (attached as .config)
compiler: arc-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (attached as 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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507090728.WgTCOat0-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/media/platform/ti/omap3isp/ispvideo.c: In function 'isp_video_get_graph_data':
>> drivers/media/platform/ti/omap3isp/ispvideo.c:226:13: warning: unused variable 'ret' [-Wunused-variable]
226 | int ret;
| ^~~
vim +/ret +226 drivers/media/platform/ti/omap3isp/ispvideo.c
ad614acb7eca42 drivers/media/video/omap3isp/ispvideo.c Laurent Pinchart 2011-02-12 219
ad614acb7eca42 drivers/media/video/omap3isp/ispvideo.c Laurent Pinchart 2011-02-12 220 /* Return a pointer to the ISP video instance at the far end of the pipeline. */
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 221 static int isp_video_get_graph_data(struct isp_video *video,
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 222 struct isp_pipeline *pipe)
ad614acb7eca42 drivers/media/video/omap3isp/ispvideo.c Laurent Pinchart 2011-02-12 223 {
3e8537b4c15172 drivers/media/platform/ti/omap3isp/ispvideo.c Laurent Pinchart 2022-12-21 224 struct media_entity *entity;
ad614acb7eca42 drivers/media/video/omap3isp/ispvideo.c Laurent Pinchart 2011-02-12 225 struct isp_video *far_end = NULL;
28461451c0fc94 drivers/media/platform/omap3isp/ispvideo.c Sakari Ailus 2015-12-16 @226 int ret;
ad614acb7eca42 drivers/media/video/omap3isp/ispvideo.c Laurent Pinchart 2011-02-12 227
4f5c32570d372e drivers/media/platform/ti/omap3isp/ispvideo.c Daniel Scally 2025-07-02 228 media_pipeline_for_each_entity(&pipe->pipe, entity) {
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 229 struct isp_video *__video;
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 230
17d3d4058a6132 drivers/media/platform/omap3isp/ispvideo.c Sakari Ailus 2015-12-16 231 media_entity_enum_set(&pipe->ent_enum, entity);
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 232
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 233 if (far_end != NULL)
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 234 continue;
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 235
ad614acb7eca42 drivers/media/video/omap3isp/ispvideo.c Laurent Pinchart 2011-02-12 236 if (entity == &video->video.entity)
ad614acb7eca42 drivers/media/video/omap3isp/ispvideo.c Laurent Pinchart 2011-02-12 237 continue;
ad614acb7eca42 drivers/media/video/omap3isp/ispvideo.c Laurent Pinchart 2011-02-12 238
45b46879a78567 drivers/media/platform/omap3isp/ispvideo.c Laurent Pinchart 2016-02-29 239 if (!is_media_entity_v4l2_video_device(entity))
ad614acb7eca42 drivers/media/video/omap3isp/ispvideo.c Laurent Pinchart 2011-02-12 240 continue;
ad614acb7eca42 drivers/media/video/omap3isp/ispvideo.c Laurent Pinchart 2011-02-12 241
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 242 __video = to_isp_video(media_entity_to_video_device(entity));
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 243 if (__video->type != video->type)
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 244 far_end = __video;
ad614acb7eca42 drivers/media/video/omap3isp/ispvideo.c Laurent Pinchart 2011-02-12 245 }
ad614acb7eca42 drivers/media/video/omap3isp/ispvideo.c Laurent Pinchart 2011-02-12 246
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 247 if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 248 pipe->input = far_end;
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 249 pipe->output = video;
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 250 } else {
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 251 if (far_end == NULL)
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 252 return -EPIPE;
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 253
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 254 pipe->input = video;
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 255 pipe->output = far_end;
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 256 }
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 257
ae5df813314a58 drivers/media/video/omap3isp/ispvideo.c Sakari Ailus 2012-03-05 258 return 0;
ad614acb7eca42 drivers/media/video/omap3isp/ispvideo.c Laurent Pinchart 2011-02-12 259 }
ad614acb7eca42 drivers/media/video/omap3isp/ispvideo.c Laurent Pinchart 2011-02-12 260
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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reproduce (this is a W=1 build):
git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
git checkout c0b1da281d84d33281fc49289f0c7f8aada450ff
b4 shazam https://lore.kernel.org/r/20250702-pipelines-v1-2-34525973e773@ideasonboard.com
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-15.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-15.1.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash
next prev parent reply other threads:[~2025-07-09 1:07 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-02 15:15 [PATCH 0/4] Helpers to manage starting / stopping multi-driver media pipelines Daniel Scally
2025-07-02 15:15 ` [PATCH 1/4] media: mc: entity: Move media pipeline entity iteration functions Daniel Scally
2025-07-02 15:15 ` [PATCH 2/4] media: mc: entity: Embed entity iterator in pipeline Daniel Scally
2025-07-02 20:05 ` Laurent Pinchart
2025-07-04 9:13 ` Dan Scally
2025-07-09 1:07 ` kernel test robot [this message]
2025-07-02 15:15 ` [PATCH 3/4] media: mc: entity: Add pipeline_started/stopped ops Daniel Scally
2025-07-02 20:08 ` Laurent Pinchart
2025-07-03 6:34 ` Dan Scally
2025-07-02 15:15 ` [PATCH 4/4] media: v4l2-dev: Add helpers to run media_pipeline_[started|stopped]() Daniel Scally
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