Hi Jianmin, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: b3779f76a7335b38d2bd7adfc80ff7bc31357299 commit: 1f46f3a128f21c190281c72cad99267bcc177e34 [2221/2221] PCI: PM: fix pcie mrrs restoring config: loongarch-randconfig-001-20250513 (https://download.01.org/0day-ci/archive/20250515/202505151330.oarlCuye-lkp@i...) compiler: loongarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250515/202505151330.oarlCuye-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202505151330.oarlCuye-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/pci/pci.c:35:

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include/linux/suspend.h:36:60: error: expected ')' before numeric constant 36 | #define PM_SUSPEND_ON ((__force suspend_state_t) 0) | ^ include/linux/suspend.h:341:34: note: in expansion of macro 'PM_SUSPEND_ON' 341 | #define pm_suspend_target_state (PM_SUSPEND_ON) | ^~~~~~~~~~~~~ drivers/pci/pci.c:177:17: note: in expansion of macro 'pm_suspend_target_state' 177 | suspend_state_t pm_suspend_target_state; | ^~~~~~~~~~~~~~~~~~~~~~~

vim +36 include/linux/suspend.h 95d9ffbe01fb21 Rafael J. Wysocki 2007-10-18 35 95d9ffbe01fb21 Rafael J. Wysocki 2007-10-18 @36 #define PM_SUSPEND_ON ((__force suspend_state_t) 0) 690cbb90a709c1 Rafael J. Wysocki 2017-08-10 37 #define PM_SUSPEND_TO_IDLE ((__force suspend_state_t) 1) 7e73c5ae6e7991 Zhang Rui 2013-02-06 38 #define PM_SUSPEND_STANDBY ((__force suspend_state_t) 2) 95d9ffbe01fb21 Rafael J. Wysocki 2007-10-18 39 #define PM_SUSPEND_MEM ((__force suspend_state_t) 3) 690cbb90a709c1 Rafael J. Wysocki 2017-08-10 40 #define PM_SUSPEND_MIN PM_SUSPEND_TO_IDLE 95d9ffbe01fb21 Rafael J. Wysocki 2007-10-18 41 #define PM_SUSPEND_MAX ((__force suspend_state_t) 4) 95d9ffbe01fb21 Rafael J. Wysocki 2007-10-18 42 :::::: The code at line 36 was first introduced by commit :::::: 95d9ffbe01fb21d524c86bf77871255066bc6e55 PM: Move definition of struct pm_ops to suspend.h :::::: TO: Rafael J. Wysocki <rjw@sisk.pl> :::::: CC: Linus Torvalds <torvalds@woody.linux-foundation.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki