tree: https://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git pci/endpoint head: 744c6876e25709c2ef335055abb5b5e226655aa0 commit: 812828eb50727c989394803b08f9800bba19dd72 [20/22] PCI: endpoint: Fix ->set_msix() to take BIR and offset as arguments config: sparc-allyesconfig (attached as .config) compiler: sparc64-linux-gcc (GCC) 9.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 812828eb50727c989394803b08f9800bba19dd72 # save the attached .config to linux build tree GCC_VERSION=9.2.0 make.cross ARCH=sparc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/pci/endpoint/functions/pci-epf-test.c: In function 'pci_epf_test_core_init': 697 | epf_test->test_reg_bar, | ^~~~~~~~ drivers/pci/endpoint/functions/pci-epf-test.c:697:12: note: each undeclared identifier is reported only once for each function it appears in vim +/epf_test +697 drivers/pci/endpoint/functions/pci-epf-test.c 660 661 static int pci_epf_test_core_init(struct pci_epf *epf) 662 { 663 struct pci_epf_header *header = epf->header; 664 const struct pci_epc_features *epc_features; 665 struct pci_epc *epc = epf->epc; 666 struct device *dev = &epf->dev; 667 bool msix_capable = false; 668 bool msi_capable = true; 669 int ret; 670 671 epc_features = pci_epc_get_features(epc, epf->func_no); 672 if (epc_features) { 673 msix_capable = epc_features->msix_capable; 674 msi_capable = epc_features->msi_capable; 675 } 676 677 ret = pci_epc_write_header(epc, epf->func_no, header); 678 if (ret) { 679 dev_err(dev, "Configuration header write failed\n"); 680 return ret; 681 } 682 683 ret = pci_epf_test_set_bar(epf); 684 if (ret) 685 return ret; 686 687 if (msi_capable) { 688 ret = pci_epc_set_msi(epc, epf->func_no, epf->msi_interrupts); 689 if (ret) { 690 dev_err(dev, "MSI configuration failed\n"); 691 return ret; 692 } 693 } 694 695 if (msix_capable) { 696 ret = pci_epc_set_msix(epc, epf->func_no, epf->msix_interrupts, 698 epf_test->msix_table_offset); 699 if (ret) { 700 dev_err(dev, "MSI-X configuration failed\n"); 701 return ret; 702 } 703 } 704 705 return 0; 706 } 707 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org