Hi Hans, kernel test robot noticed the following build errors: [auto build test ERROR on 19272b37aa4f83ca52bdf9c16d5d81bdd1354494] url: https://github.com/intel-lab-lkp/linux/commits/Hans-Zhang/PCI-endpoint-Use-common-PCI-host-bridge-APIs-for-finding-the-capabilities/20250616-232735 base: 19272b37aa4f83ca52bdf9c16d5d81bdd1354494 patch link: https://lore.kernel.org/r/20250616152515.966480-1-18255117159%40163.com patch subject: [PATCH] PCI: endpoint: Use common PCI host bridge APIs for finding the capabilities config: powerpc-randconfig-r073-20250617 (https://download.01.org/0day-ci/archive/20250617/202506171435.UiUpSaqs-lkp@xxxxxxxxx/config) compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250617/202506171435.UiUpSaqs-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/202506171435.UiUpSaqs-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/pci/controller/dwc/pcie-designware-ep.c:90:9: error: call to undeclared function 'PCI_FIND_NEXT_CAP_TTL'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 90 | return PCI_FIND_NEXT_CAP_TTL(dw_pcie_ep_read_cfg, PCI_CAPABILITY_LIST, | ^ 1 error generated. vim +/PCI_FIND_NEXT_CAP_TTL +90 drivers/pci/controller/dwc/pcie-designware-ep.c 87 88 static u8 dw_pcie_ep_find_capability(struct dw_pcie_ep *ep, u8 func_no, u8 cap) 89 { > 90 return PCI_FIND_NEXT_CAP_TTL(dw_pcie_ep_read_cfg, PCI_CAPABILITY_LIST, 91 cap, ep, func_no); 92 } 93 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
