Hi liuyun,

FYI, the error/warning still remains.

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 9d0af12b79bee784902822ddeec2e1a8cfc18524 commit: 47a0b6f372d7f05822d021f86b21a34fd2142225 [1624/15331] cpufreq: Add cpufreq driver for LoongArch config: loongarch-randconfig-002-20241027 (https://download.01.org/0day-ci/archive/20241027/202410270415.BPgdabxg-lkp@i...) compiler: loongarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410270415.BPgdabxg-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/202410270415.BPgdabxg-lkp@intel.com/

All warnings (new ones prefixed by >>):

drivers/cpufreq/loongson3-acpi-cpufreq.c:645:5: warning: no previous prototype for 'loongson3_set_mode' [-Wmissing-prototypes] 645 | int loongson3_set_mode(int mode, int freq_level) | ^~~~~~~~~~~~~~~~~~ drivers/cpufreq/loongson3-acpi-cpufreq.c:835:14: warning: no previous prototype for 'load_update' [-Wmissing-prototypes] 835 | unsigned int load_update(struct core_data *core) | ^~~~~~~~~~~ drivers/cpufreq/loongson3-acpi-cpufreq.c:1520:36: warning: 'processor_device_ids' defined but not used [-Wunused-const-variable=] 1520 | static const struct acpi_device_id processor_device_ids[] = { | ^~~~~~~~~~~~~~~~~~~~

...

drivers/cpufreq/loongson3-acpi-cpufreq.c:89:12: warning: 'lasx_count_threshold' defined but not used [-Wunused-variable]

89 | static int lasx_count_threshold = 200; | ^~~~~~~~~~~~~~~~~~~~

vim +/lasx_count_threshold +89 drivers/cpufreq/loongson3-acpi-cpufreq.c

85 86 /* threshold of core's get into msa */ 87 static int msa_count_threshold = 200; 88 /* threshold of core's get into lasx */

89 static int lasx_count_threshold = 200;

90 /* other cores' upper load threshold when 1 core get into boost mode and enable msa/lasx */ 91 static int load_threshold = 60; 92