linux-kernel - Re: [PATCH 04/13] media: i2c: ov5647: Fix v4l2-compliance failure subscribing to events

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Message-ID: <176180446968.8690.15499732608328141859@freya>
Date: Thu, 30 Oct 2025 11:37:49 +0530
From: Jai Luthra <jai.luthra@...asonboard.com>
To: Dave Stevenson <dave.stevenson@...pberrypi.com>, Jacopo Mondi <jacopo@...ndi.org>, Mauro Carvalho Chehab <mchehab@...nel.org>, Sakari Ailus <sakari.ailus@...ux.intel.com>, kernel test robot <lkp@...el.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, Kieran Bingham <kieran.bingham@...asonboard.com>, David Plowman <david.plowman@...pberrypi.com>, Laurent Pinchart <laurent.pinchart@...asonboard.com>, Peter Robinson <pbrobinson@...il.com>, Stefan Wahren <wahrenst@....net>, Ivan T. Ivanov <iivanov@...e.de>
Subject: Re: [PATCH 04/13] media: i2c: ov5647: Fix v4l2-compliance failure subscribing to events

Quoting kernel test robot (2025-10-29 06:27:53)
> Hi Jai,
> 
> kernel test robot noticed the following build warnings:
> 
> [auto build test WARNING on 3a8660878839faadb4f1a6dd72c3179c1df56787]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Jai-Luthra/media-i2c-ov5647-Parse-and-register-properties/20251028-153619
> base:   3a8660878839faadb4f1a6dd72c3179c1df56787
> patch link:    https://lore.kernel.org/r/20251028-b4-rpi-ov5647-v1-4-098413454f5e%40ideasonboard.com
> patch subject: [PATCH 04/13] media: i2c: ov5647: Fix v4l2-compliance failure subscribing to events
> config: sparc64-randconfig-r134-20251029 (https://download.01.org/0day-ci/archive/20251029/202510290816.8EQhDjD8-lkp@intel.com/config)
> compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project d1c086e82af239b245fe8d7832f2753436634990)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251029/202510290816.8EQhDjD8-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@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202510290816.8EQhDjD8-lkp@intel.com/
> 
> sparse warnings: (new ones prefixed by >>)
> >> drivers/media/i2c/ov5647.c:870:10: sparse: sparse: Initializer entry defined twice
>    drivers/media/i2c/ov5647.c:876:10: sparse:   also defined here

My bad, this patch is already mainlined. I will drop it in next iteration.

> 
> vim +870 drivers/media/i2c/ov5647.c
> 
> 3c2472a3c54895 Ramiro Oliveira 2017-03-22  867  
> c9a05cece64c60 Jacopo Mondi    2020-11-19  868  /* Subdev core operations registration */
> 3c2472a3c54895 Ramiro Oliveira 2017-03-22  869  static const struct v4l2_subdev_core_ops ov5647_subdev_core_ops = {
> dc3373081396f5 Jacopo Mondi    2020-11-19 @870          .subscribe_event        = v4l2_ctrl_subdev_subscribe_event,
> dc3373081396f5 Jacopo Mondi    2020-11-19  871          .unsubscribe_event      = v4l2_event_subdev_unsubscribe,
> 3c2472a3c54895 Ramiro Oliveira 2017-03-22  872  #ifdef CONFIG_VIDEO_ADV_DEBUG
> 3c2472a3c54895 Ramiro Oliveira 2017-03-22  873          .g_register             = ov5647_sensor_get_register,
> 3c2472a3c54895 Ramiro Oliveira 2017-03-22  874          .s_register             = ov5647_sensor_set_register,
> 3c2472a3c54895 Ramiro Oliveira 2017-03-22  875  #endif
> d812c6225cf5be David Plowman   2025-10-28  876          .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
> d812c6225cf5be David Plowman   2025-10-28  877          .unsubscribe_event = v4l2_event_subdev_unsubscribe,
> 3c2472a3c54895 Ramiro Oliveira 2017-03-22  878  };
> 3c2472a3c54895 Ramiro Oliveira 2017-03-22  879  
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki

Thanks,
    Jai