tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 0570b06ba8090c198595a26f8b1eb221e12ec70c commit: 12f136b2134d4ded731c3ef23ac08c85b9c0b1fa [1869/2940] cpufreq: CPPC: Keep the target core awake when reading its cpufreq rate config: arm64-randconfig-004-20240202 (https://download.01.org/0day-ci/archive/20240204/202402041617.THbvDKTe-lkp@i...) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240204/202402041617.THbvDKTe-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/202402041617.THbvDKTe-lkp@intel.com/

All errors (new ones prefixed by >>):

drivers/cpufreq/cppc_cpufreq.c: In function 'cppc_get_perf_ctrs_pair':

...

drivers/cpufreq/cppc_cpufreq.c:852:26: error: invalid use of undefined type 'struct fb_ctr_pair'

852 | int cpu = fb_ctrs->cpu; | ^~ drivers/cpufreq/cppc_cpufreq.c:855:47: error: invalid use of undefined type 'struct fb_ctr_pair' 855 | ret = cppc_get_perf_ctrs(cpu, &fb_ctrs->fb_ctrs_t0); | ^~ drivers/cpufreq/cppc_cpufreq.c:861:48: error: invalid use of undefined type 'struct fb_ctr_pair' 861 | return cppc_get_perf_ctrs(cpu, &fb_ctrs->fb_ctrs_t1); | ^~ drivers/cpufreq/cppc_cpufreq.c: In function 'cppc_cpufreq_get_rate':

...

drivers/cpufreq/cppc_cpufreq.c:866:16: error: variable 'fb_ctrs' has initializer but incomplete type

866 | struct fb_ctr_pair fb_ctrs = { .cpu = cpu, }; | ^~~~~~~~~~~

...

drivers/cpufreq/cppc_cpufreq.c:866:41: error: 'struct fb_ctr_pair' has no member named 'cpu'

866 | struct fb_ctr_pair fb_ctrs = { .cpu = cpu, }; | ^~~ drivers/cpufreq/cppc_cpufreq.c:866:47: warning: excess elements in struct initializer 866 | struct fb_ctr_pair fb_ctrs = { .cpu = cpu, }; | ^~~ drivers/cpufreq/cppc_cpufreq.c:866:47: note: (near initialization for 'fb_ctrs')

...

drivers/cpufreq/cppc_cpufreq.c:866:28: error: storage size of 'fb_ctrs' isn't known

866 | struct fb_ctr_pair fb_ctrs = { .cpu = cpu, }; | ^~~~~~~ drivers/cpufreq/cppc_cpufreq.c:866:28: warning: unused variable 'fb_ctrs' [-Wunused-variable]

vim +852 drivers/cpufreq/cppc_cpufreq.c

848 849 static int cppc_get_perf_ctrs_pair(void *val) 850 { 851 struct fb_ctr_pair *fb_ctrs = val;

852 int cpu = fb_ctrs->cpu;

853 int ret; 854 855 ret = cppc_get_perf_ctrs(cpu, &fb_ctrs->fb_ctrs_t0); 856 if (ret) 857 return ret; 858 859 udelay(2); /* 2usec delay between sampling */ 860 861 return cppc_get_perf_ctrs(cpu, &fb_ctrs->fb_ctrs_t1); 862 } 863 864 static unsigned int cppc_cpufreq_get_rate(unsigned int cpu) 865 {

866 struct fb_ctr_pair fb_ctrs = { .cpu = cpu, };

867 struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); 868 struct cppc_cpudata *cpu_data = policy->driver_data; 869 u64 delivered_perf; 870 int ret; 871 872 cpufreq_cpu_put(policy); 873 874 if (cpu_has_amu_feat(cpu)) 875 ret = smp_call_on_cpu(cpu, cppc_get_perf_ctrs_pair, 876 &fb_ctrs, false); 877 else 878 ret = cppc_get_perf_ctrs_pair(&fb_ctrs); 879 880 if (ret) 881 return 0; 882 883 delivered_perf = cppc_perf_from_fbctrs(cpu_data, 884 &fb_ctrs.fb_ctrs_t0, 885 &fb_ctrs.fb_ctrs_t1); 886 887 return cppc_cpufreq_perf_to_khz(cpu_data, delivered_perf); 888 } 889