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

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Message-ID: <202510111806.CMulNMKW-lkp@intel.com>
Date: Sat, 11 Oct 2025 18:23:38 +0800
From: kernel test robot <lkp@...el.com>
To: Michal Wilczynski <m.wilczynski@...sung.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Matt Coster <matt.coster@...tec.com>,
	Ulf Hansson <ulf.hansson@...aro.org>
Subject: ld.lld: error: undefined symbol: devm_pwrseq_get

Hi Michal,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0739473694c4878513031006829f1030ec850bc2
commit: e38e8391f30b41c5a24bb46dc6ef4161921e782d drm/imagination: Use pwrseq for TH1520 GPU power management
date:   6 weeks ago
config: arm64-randconfig-r113-20251010 (https://download.01.org/0day-ci/archive/20251011/202510111806.CMulNMKW-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 39f292ffa13d7ca0d1edff27ac8fd55024bb4d19)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251011/202510111806.CMulNMKW-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/202510111806.CMulNMKW-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: devm_pwrseq_get
   >>> referenced by pvr_power.c:320 (drivers/gpu/drm/imagination/pvr_power.c:320)
   >>>               drivers/gpu/drm/imagination/pvr_power.o:(pvr_power_init_pwrseq) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: pwrseq_power_on
   >>> referenced by pvr_power.c:336 (drivers/gpu/drm/imagination/pvr_power.c:336)
   >>>               drivers/gpu/drm/imagination/pvr_power.o:(pvr_power_on_sequence_pwrseq) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: pwrseq_power_off
   >>> referenced by pvr_power.c:341 (drivers/gpu/drm/imagination/pvr_power.c:341)
   >>>               drivers/gpu/drm/imagination/pvr_power.o:(pvr_power_off_sequence_pwrseq) in archive vmlinux.a

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