linux-kernel - Re: [PATCH 2/4] media: v4l: async: Add devm_v4l2_async_register_subdev

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Message-ID: <202507250804.YlLveyKO-lkp@intel.com>
Date: Fri, 25 Jul 2025 08:13:14 +0800
From: kernel test robot <lkp@...el.com>
To: Tarang Raval <tarang.raval@...iconsignals.io>,
	sakari.ailus@...ux.intel.com, laurent.pinchart@...asonboard.com,
	hverkuil@...all.nl
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	Tarang Raval <tarang.raval@...iconsignals.io>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	linux-media@...r.kernel.org, Ricardo Ribalda <ribalda@...omium.org>,
	Hans de Goede <hansg@...nel.org>, Yunke Cao <yunkec@...gle.com>,
	James Cowgill <james.cowgill@...ize.com>,
	Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
	Tommaso Merciai <tomm.merciai@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] media: v4l: async: Add
 devm_v4l2_async_register_subdev_sensor() helper

Hi Tarang,

kernel test robot noticed the following build errors:

[auto build test ERROR on sailus-media-tree/master]
[also build test ERROR on linus/master v6.16-rc7 next-20250724]
[cannot apply to sailus-media-tree/streams]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Tarang-Raval/media-mc-Add-devm_media_entity_pads_init-helper/20250723-182930
base:   git://linuxtv.org/sailus/media_tree.git master
patch link:    https://lore.kernel.org/r/20250723102515.64585-3-tarang.raval%40siliconsignals.io
patch subject: [PATCH 2/4] media: v4l: async: Add devm_v4l2_async_register_subdev_sensor() helper
config: hexagon-randconfig-002-20250725 (https://download.01.org/0day-ci/archive/20250725/202507250804.YlLveyKO-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 853c343b45b3e83cc5eeef5a52fc8cc9d8a09252)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250725/202507250804.YlLveyKO-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/202507250804.YlLveyKO-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "v4l2_async_register_subdev_sensor" [drivers/media/v4l2-core/v4l2-async.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki