[android-common:android16-6.12 0/3] ERROR: modpost: "of_regulator_bulk_get_all" [drivers/pci/pwrctrl/pci-pwrctl-slot.ko] undefined!

[android-common:android16-6.12 0/3] ERROR: modpost: "of_regulator_bulk_get_all" [drivers/pci/pwrctrl/pci-pwrctl-slot.ko] undefined!

[kernel test robot]

tree:   https://android.googlesource.com/kernel/common android16-6.12
head:   c1627b3b5ce8ef12a045149c319242f79b835426
commit: c61d3053974a917407ce02ff923505d45dd5b5bd [0/3] UPSTREAM: PCI/pwrctrl: Add pwrctrl driver for PCI slots
config: x86_64-buildonly-randconfig-002-20250415 (https://download.01.org/0day-ci/archive/20250415/202504151021.VCzPa8Fr-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250415/202504151021.VCzPa8Fr-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/202504151021.VCzPa8Fr-lkp@intel.com/

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

WARNING: modpost: vmlinux: memblock_end_of_DRAM: EXPORT_SYMBOL used for init symbol. Remove __init or EXPORT_SYMBOL.
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-mgr-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-bridge-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-region-test.o
>> ERROR: modpost: "of_regulator_bulk_get_all" [drivers/pci/pwrctrl/pci-pwrctl-slot.ko] undefined!

-- 
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https://github.com/intel/lkp-tests/wiki