Hi Mario, kernel test robot noticed the following build errors:
[auto build test ERROR on rafael-pm/linux-next] [also build test ERROR on rafael-pm/bleeding-edge mkp-scsi/for-next jejb-scsi/for-next linus/master v6.16-rc1 next-20250606] [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/Mario-Limonciello/PM-Use-hibernate-flows-for-system-power-off/20250609-105658 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next patch link: https://lore.kernel.org/r/20250609024619.407257-3-superm1%40kernel.org patch subject: [PATCH v3 2/5] PCI: Put PCIe ports with downstream devices into D3 at hibernate config: i386-buildonly-randconfig-003-20250609 (https://download.01.org/0day-ci/archive/20250609/202506091639.haxwbwtd-...@intel.com/config) compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250609/202506091639.haxwbwtd-...@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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202506091639.haxwbwtd-...@intel.com/ All errors (new ones prefixed by >>): >> drivers/pci/pci-driver.c:1221:7: error: call to undeclared function >> 'pci_pm_set_prepare_bus_pm'; ISO C99 and later do not support implicit >> function declarations [-Wimplicit-function-declaration] 1221 | if (!pci_pm_set_prepare_bus_pm(pci_dev)) | ^ 1 error generated. vim +/pci_pm_set_prepare_bus_pm +1221 drivers/pci/pci-driver.c 1195 1196 static int pci_pm_poweroff_noirq(struct device *dev) 1197 { 1198 struct pci_dev *pci_dev = to_pci_dev(dev); 1199 const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; 1200 1201 if (dev_pm_skip_suspend(dev)) 1202 return 0; 1203 1204 if (pci_has_legacy_pm_support(pci_dev)) 1205 return pci_legacy_suspend_late(dev); 1206 1207 if (!pm) { 1208 pci_fixup_device(pci_fixup_suspend_late, pci_dev); 1209 return 0; 1210 } 1211 1212 if (pm->poweroff_noirq) { 1213 int error; 1214 1215 error = pm->poweroff_noirq(dev); 1216 suspend_report_result(dev, pm->poweroff_noirq, error); 1217 if (error) 1218 return error; 1219 } 1220 > 1221 if (!pci_pm_set_prepare_bus_pm(pci_dev)) 1222 goto Fixup; 1223 1224 /* 1225 * The reason for doing this here is the same as for the analogous code 1226 * in pci_pm_suspend_noirq(). 1227 */ 1228 if (pci_dev->class == PCI_CLASS_SERIAL_USB_EHCI) 1229 pci_write_config_word(pci_dev, PCI_COMMAND, 0); 1230 1231 Fixup: 1232 pci_fixup_device(pci_fixup_suspend_late, pci_dev); 1233 1234 return 0; 1235 } 1236 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki