Hi Manivannan, kernel test robot noticed the following build errors: [auto build test ERROR on 91e3b24eb7d297d9d99030800ed96944b8652eaf] url: https://github.com/intel-lab-lkp/linux/commits/Manivannan-Sadhasivam-via-B4-Relay/PCI-qcom-ep-Drop-the-redundant-masking-of-global-IRQ-events/20240718-010848 base: 91e3b24eb7d297d9d99030800ed96944b8652eaf patch link: https://lore.kernel.org/r/20240717-pci-qcom-hotplug-v2-5-71d304b817f8%40linaro.org patch subject: [PATCH v2 05/13] PCI: endpoint: Assign PCI domain number for endpoint controllers config: i386-buildonly-randconfig-004-20240718 (https://download.01.org/0day-ci/archive/20240718/202407182239.m0d1pKRB-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240718/202407182239.m0d1pKRB-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/202407182239.m0d1pKRB-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/pci/endpoint/pci-epc-core.c:843:3: error: call to undeclared function 'pci_bus_release_domain_nr'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 843 | pci_bus_release_domain_nr(NULL, &epc->dev); | ^ drivers/pci/endpoint/pci-epc-core.c:843:3: note: did you mean 'pci_bus_release_busn_res'? include/linux/pci.h:1142:6: note: 'pci_bus_release_busn_res' declared here 1142 | void pci_bus_release_busn_res(struct pci_bus *b); | ^ drivers/pci/endpoint/pci-epc-core.c:911:20: error: call to undeclared function 'pci_bus_find_domain_nr'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 911 | epc->domain_nr = pci_bus_find_domain_nr(NULL, dev); | ^ 2 errors generated. vim +/pci_bus_release_domain_nr +843 drivers/pci/endpoint/pci-epc-core.c 830 831 /** 832 * pci_epc_destroy() - destroy the EPC device 833 * @epc: the EPC device that has to be destroyed 834 * 835 * Invoke to destroy the PCI EPC device 836 */ 837 void pci_epc_destroy(struct pci_epc *epc) 838 { 839 pci_ep_cfs_remove_epc_group(epc->group); 840 device_unregister(&epc->dev); 841 842 if (IS_ENABLED(CONFIG_PCI_DOMAINS_GENERIC)) > 843 pci_bus_release_domain_nr(NULL, &epc->dev); 844 } 845 EXPORT_SYMBOL_GPL(pci_epc_destroy); 846 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki