Hi Mario, kernel test robot noticed the following build errors: [auto build test ERROR on rafael-pm/linux-next] [also build test ERROR on pci/next pci/for-linus westeri-thunderbolt/next linus/master v6.5-rc4 next-20230804] [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/ACPI-Add-comments-to-clarify-some-ifdef-statements/20230805-050559 base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next patch link: https://lore.kernel.org/r/20230804210129.5356-8-mario.limonciello%40amd.com patch subject: [PATCH v10 7/7] PCI: Use device constraints to decide PCI target state fallback policy config: mips-randconfig-r032-20230731 (https://download.01.org/0day-ci/archive/20230805/202308051340.k7mCXXL3-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230805/202308051340.k7mCXXL3-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/202308051340.k7mCXXL3-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/pci/pci.c:1090:9: error: call to undeclared function 'acpi_get_lps0_constraint'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1090 | return acpi_get_lps0_constraint(&dev->dev); | ^ 1 error generated. vim +/acpi_get_lps0_constraint +1090 drivers/pci/pci.c 1084 1085 static inline int platform_get_constraint(struct pci_dev *dev) 1086 { 1087 if (pci_use_mid_pm()) 1088 return -ENODEV; 1089 > 1090 return acpi_get_lps0_constraint(&dev->dev); 1091 } 1092 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
