tree: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git pci-dw-config-access head: 6273eefbdae51129a74b3baf3945da012ba8b1b6 commit: 56dfee88838769f43830a290fce0401876e513c0 [19/27] PCI: dwc: Simplify config space handling config: sparc64-randconfig-p002-20200818 (attached as .config) compiler: sparc64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 56dfee88838769f43830a290fce0401876e513c0 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/pci/controller/dwc/pcie-designware-host.c: In function 'dw_pcie_other_conf_map_bus': 443 | else | ^~~~ # https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git/commit/?id... git remote add robh https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git git fetch --no-tags robh pci-dw-config-access git checkout 56dfee88838769f43830a290fce0401876e513c0 vim +443 drivers/pci/controller/dwc/pcie-designware-host.c 429 430 static void __iomem *dw_pcie_other_conf_map_bus(struct pci_bus *bus, 431 unsigned int devfn, int where) 432 { 433 int type; 434 u32 busdev; 435 struct pcie_port *pp = bus->sysdata; 436 struct dw_pcie *pci = to_dw_pcie_from_pp(pp); 437 438 busdev = PCIE_ATU_BUS(bus->number) | PCIE_ATU_DEV(PCI_SLOT(devfn)) | 439 PCIE_ATU_FUNC(PCI_FUNC(devfn)); 440 441 if (pci_is_root_bus(bus->parent)) { 442 type = PCIE_ATU_TYPE_CFG0; 444 type = PCIE_ATU_TYPE_CFG1; 445 446 447 dw_pcie_prog_outbound_atu(pci, PCIE_ATU_REGION_INDEX1, 448 type, pp->cfg0_base, 449 busdev, pp->cfg0_size); 450 451 return pp->va_cfg0_base + where; 452 } 453 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org