From: kernel test robot <lkp@intel.com>
To: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-media@vger.kernel.org
Subject: [sailus-media-tree:metadata 109/113] drivers/media/pci/intel/ipu6/ipu6-isys-queue.c:541:14: warning: variable 'first' set but not used
Date: Tue, 20 Jan 2026 01:56:11 +0800 [thread overview]
Message-ID: <202601200156.XCbBK9ms-lkp@intel.com> (raw)
tree: git://linuxtv.org/sailus/media_tree.git metadata
head: 55ba38aaeb6e07cbbbe550578fa4737b05de1d00
commit: 45316ce8af169db8834efe3f2bd997e28772c2df [109/113] media: ipu6: Bridge the gap between streams in V4L2 and IPU6 firmware
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20260120/202601200156.XCbBK9ms-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260120/202601200156.XCbBK9ms-lkp@intel.com/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/202601200156.XCbBK9ms-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/media/pci/intel/ipu6/ipu6-isys-queue.c: In function 'start_streaming':
>> drivers/media/pci/intel/ipu6/ipu6-isys-queue.c:541:14: warning: variable 'first' set but not used [-Wunused-but-set-variable]
541 | bool first;
| ^~~~~
vim +/first +541 drivers/media/pci/intel/ipu6/ipu6-isys-queue.c
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 532
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 533 static int start_streaming(struct vb2_queue *q, unsigned int count)
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 534 {
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 535 struct ipu6_isys_queue *aq = vb2_queue_to_isys_queue(q);
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 536 struct ipu6_isys_video *av = ipu6_isys_queue_to_video(aq);
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 537 struct device *dev = &av->isys->adev->auxdev.dev;
d3bd039cd2a009 Bingbu Cao 2024-01-31 538 const struct ipu6_isys_pixelformat *pfmt =
d3bd039cd2a009 Bingbu Cao 2024-01-31 539 ipu6_isys_get_isys_format(ipu6_isys_get_format(av), 0);
e660207a1d080c Sakari Ailus 2025-11-07 540 struct media_pad *source_pad, *remote_pad;
7ff82d1f5490c1 Sakari Ailus 2025-12-11 @541 bool first;
7ff82d1f5490c1 Sakari Ailus 2025-12-11 542 int ret;
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 543
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 544 dev_dbg(dev, "stream: %s: width %u, height %u, css pixelformat %u\n",
d3bd039cd2a009 Bingbu Cao 2024-01-31 545 av->vdev.name, ipu6_isys_get_frame_width(av),
d3bd039cd2a009 Bingbu Cao 2024-01-31 546 ipu6_isys_get_frame_height(av), pfmt->css_pixelformat);
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 547
e660207a1d080c Sakari Ailus 2025-11-07 548 remote_pad = media_pad_remote_pad_unique(&av->pad);
e660207a1d080c Sakari Ailus 2025-11-07 549 if (IS_ERR(remote_pad)) {
e660207a1d080c Sakari Ailus 2025-11-07 550 dev_dbg(dev, "failed to get remote pad\n");
e660207a1d080c Sakari Ailus 2025-11-07 551 ret = PTR_ERR(remote_pad);
e660207a1d080c Sakari Ailus 2025-11-07 552 goto out_return_buffers;
e660207a1d080c Sakari Ailus 2025-11-07 553 }
e660207a1d080c Sakari Ailus 2025-11-07 554
e660207a1d080c Sakari Ailus 2025-11-07 555 source_pad = media_pad_remote_pad_unique(&remote_pad->entity->pads[0]);
e660207a1d080c Sakari Ailus 2025-11-07 556 if (IS_ERR(source_pad)) {
e660207a1d080c Sakari Ailus 2025-11-07 557 dev_dbg(dev, "No external source entity\n");
e660207a1d080c Sakari Ailus 2025-11-07 558 ret = PTR_ERR(source_pad);
e660207a1d080c Sakari Ailus 2025-11-07 559 goto out_return_buffers;
e660207a1d080c Sakari Ailus 2025-11-07 560 }
e660207a1d080c Sakari Ailus 2025-11-07 561
45316ce8af169d Sakari Ailus 2025-12-01 562 bool has_pipeline = (bool)video_device_pipeline(&av->vdev);
45316ce8af169d Sakari Ailus 2025-12-01 563
45316ce8af169d Sakari Ailus 2025-12-01 564 ret = video_device_pipeline_alloc_start(&av->vdev);
45316ce8af169d Sakari Ailus 2025-12-01 565 if (ret < 0)
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 566 goto out_return_buffers;
45316ce8af169d Sakari Ailus 2025-12-01 567
45316ce8af169d Sakari Ailus 2025-12-01 568 first = !has_pipeline;
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 569
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 570 ret = ipu6_isys_link_fmt_validate(aq);
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 571 if (ret) {
4ff61c4ce93677 Sakari Ailus 2024-05-02 572 dev_dbg(dev,
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 573 "%s: link format validation failed (%d)\n",
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 574 av->vdev.name, ret);
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 575 goto out_pipeline_stop;
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 576 }
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 577
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 578 ret = ipu6_isys_fw_open(av->isys);
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 579 if (ret)
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 580 goto out_pipeline_stop;
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 581
2085a6131710b0 Sakari Ailus 2025-11-10 582 ret = ipu6_isys_stream_start(av);
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 583 if (ret)
45316ce8af169d Sakari Ailus 2025-12-01 584 goto out_fw_close;
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 585
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 586 return 0;
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 587
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 588 out_fw_close:
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 589 ipu6_isys_fw_close(av->isys);
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 590
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 591 out_pipeline_stop:
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 592 ipu6_isys_stream_cleanup(av);
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 593
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 594 out_return_buffers:
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 595 return_buffers(aq, VB2_BUF_STATE_QUEUED);
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 596
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 597 return ret;
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 598 }
3c1dfb5a69cf83 Bingbu Cao 2024-01-31 599
:::::: The code at line 541 was first introduced by commit
:::::: 7ff82d1f5490c155b938c69a670296b08334bd49 media: ipu6: Remove nr_queues and nr_streaming fields in ipu6_isys_stream
:::::: TO: Sakari Ailus <sakari.ailus@linux.intel.com>
:::::: CC: Sakari Ailus <sakari.ailus@linux.intel.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-01-19 17:57 UTC|newest]
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