Hi Mario, kernel test robot noticed the following build warnings: [auto build test WARNING on 2ccdd1b13c591d306f0401d98dedc4bdcd02b421] url: https://github.com/intel-lab-lkp/linux/commits/Mario-Limonciello/ACPI-Add-comments-to-clarify-some-ifdef-statements/20230817-061259 base: 2ccdd1b13c591d306f0401d98dedc4bdcd02b421 patch link: https://lore.kernel.org/r/20230816204143.66281-10-mario.limonciello%40amd.com patch subject: [PATCH v12 9/9] ACPI: x86: s2idle: Enforce LPS0 constraints for PCI devices config: i386-randconfig-i063-20230817 (https://download.01.org/0day-ci/archive/20230817/202308171239.xQFwhccA-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce: (https://download.01.org/0day-ci/archive/20230817/202308171239.xQFwhccA-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/202308171239.xQFwhccA-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/acpi/x86/s2idle.c:306:67: sparse: sparse: restricted pci_power_t degrades to integer >> drivers/acpi/x86/s2idle.c:306:45: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted pci_power_t [usertype] target @@ got int @@ drivers/acpi/x86/s2idle.c:306:45: sparse: expected restricted pci_power_t [usertype] target drivers/acpi/x86/s2idle.c:306:45: sparse: got int drivers/acpi/x86/s2idle.c:312:13: sparse: sparse: restricted pci_power_t degrades to integer >> drivers/acpi/x86/s2idle.c:318:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected int state @@ got restricted pci_power_t [usertype] current_state @@ drivers/acpi/x86/s2idle.c:318:17: sparse: expected int state drivers/acpi/x86/s2idle.c:318:17: sparse: got restricted pci_power_t [usertype] current_state >> drivers/acpi/x86/s2idle.c:318:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected int state @@ got restricted pci_power_t [usertype] target @@ drivers/acpi/x86/s2idle.c:318:17: sparse: expected int state drivers/acpi/x86/s2idle.c:318:17: sparse: got restricted pci_power_t [usertype] target drivers/acpi/x86/s2idle.c:522:13: sparse: sparse: restricted suspend_state_t degrades to integer drivers/acpi/x86/s2idle.c:522:33: sparse: sparse: restricted suspend_state_t degrades to integer vim +306 drivers/acpi/x86/s2idle.c 303 304 static void lpi_check_pci_dev(struct lpi_constraints *entry, struct pci_dev *pdev) 305 { > 306 pci_power_t target = entry->enabled ? entry->min_dstate : PCI_D0; 307 308 if (pdev->current_state == target) 309 return; 310 311 /* constraint of ACPI D3hot means PCI D3hot _or_ D3cold */ 312 if (target == ACPI_STATE_D3_HOT && 313 (pdev->current_state == PCI_D3hot || 314 pdev->current_state == PCI_D3cold)) 315 return; 316 317 if (pm_debug_messages_on) > 318 acpi_handle_info(entry->handle, 319 "LPI: PCI device in %s, not in %s\n", 320 acpi_power_state_string(pdev->current_state), 321 acpi_power_state_string(target)); 322 323 /* don't try with things that PCI core hasn't touched */ 324 if (pdev->current_state == PCI_UNKNOWN) { 325 entry->handle = NULL; 326 return; 327 } 328 329 pci_set_power_state(pdev, target); 330 } 331 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki