linux-kernel - ld.lld: error: undefined symbol: v4l2_flash

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Message-ID: <202507030815.770r4UoZ-lkp@intel.com>
Date: Thu, 3 Jul 2025 08:28:37 +0200
From: kernel test robot <lkp@...el.com>
To: Matthias Fend <matthias.fend@...end.at>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org, Lee Jones <lee@...nel.org>
Subject: ld.lld: error: undefined symbol: v4l2_flash_release

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   b4911fb0b060899e4eebca0151eb56deb86921ec
commit: b338a2ae9b316df1d81b5289badcc8cbbbfe1b2b leds: tps6131x: Add support for Texas Instruments TPS6131X flash LED driver
date:   6 weeks ago
config: x86_64-buildonly-randconfig-2002-20250703 (https://download.01.org/0day-ci/archive/20250703/202507030815.770r4UoZ-lkp@intel.com/config)
compiler: clang version 20.1.7 (https://github.com/llvm/llvm-project 6146a88f60492b520a36f8f8f3231e15f3cc6082)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250703/202507030815.770r4UoZ-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/202507030815.770r4UoZ-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: v4l2_flash_release
   >>> referenced by leds-tps6131x.c:792 (drivers/leds/flash/leds-tps6131x.c:792)
   >>>               vmlinux.o:(tps6131x_remove)
--
>> ld.lld: error: undefined symbol: v4l2_flash_init
   >>> referenced by leds-tps6131x.c:728 (drivers/leds/flash/leds-tps6131x.c:728)
   >>>               vmlinux.o:(tps6131x_v4l2_setup)

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