Hi Chen, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 48fd60600c1344806a27e3bb33ab33ec5a9fea7c commit: 1ae9436b02e93f1f2b9cfc10226812197fbfcd04 [1291/1291] mailbox: add phytium mailbox driver config: arm64-randconfig-004-20241113 (https://download.01.org/0day-ci/archive/20241126/202411260043.JceIGmYJ-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241126/202411260043.JceIGmYJ-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/202411260043.JceIGmYJ-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

drivers/mailbox/phytium_mailbox.c:116:36: warning: 'phytium_mbox_acpi_match' defined but not used [-Wunused-const-variable=] 116 | static const struct acpi_device_id phytium_mbox_acpi_match[] = { | ^~~~~~~~~~~~~~~~~~~~~~~

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for HARDLOCKUP_DETECTOR Depends on [n]: DEBUG_KERNEL [=n] && !S390 && (HAVE_HARDLOCKUP_DETECTOR_PERF [=n] || HAVE_HARDLOCKUP_DETECTOR_ARCH [=y]) Selected by [y]: - SDEI_WATCHDOG [=y] && <choice> && ARM_SDE_INTERFACE [=y] && !HARDLOCKUP_CHECK_TIMESTAMP [=n] vim +/phytium_mbox_acpi_match +116 drivers/mailbox/phytium_mailbox.c 115

116 static const struct acpi_device_id phytium_mbox_acpi_match[] = { 117 { "PHYT0009", 0 }, 118 { }, 119 }; 120 MODULE_DEVICE_TABLE(acpi, phytium_mbox_acpi_match); 121

-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki