Hi Manivannan, kernel test robot noticed the following build errors: [auto build test ERROR on 40384c840ea1944d7c5a392e8975ed088ecf0b37] url: https://github.com/intel-lab-lkp/linux/commits/Manivannan-Sadhasivam-via-B4-Relay/PCI-pwrctrl-Move-creation-of-pwrctrl-devices-to-pci_scan_device/20241210-180256 base: 40384c840ea1944d7c5a392e8975ed088ecf0b37 patch link: https://lore.kernel.org/r/20241210-pci-pwrctrl-slot-v1-4-eae45e488040%40linaro.org patch subject: [PATCH 4/4] PCI/pwrctrl: Add pwrctrl driver for PCI Slots config: x86_64-randconfig-004-20241218 (https://download.01.org/0day-ci/archive/20241218/202412181640.12Iufkvd-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241218/202412181640.12Iufkvd-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202412181640.12Iufkvd-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>, old ones prefixed by <<): 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! -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
