[openeuler:OLK-6.6 1788/1788] drivers/cpufreq/cppc_cpufreq.c:852:26: error: invalid use of undefined type 'struct fb_ctr_pair'
tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 31b452f6f79028714fdf063d4e4f6b9d5cb87751 commit: 12f136b2134d4ded731c3ef23ac08c85b9c0b1fa [1788/1788] cpufreq: CPPC: Keep the target core awake when reading its cpufreq rate config: arm64-randconfig-001-20250108 (https://download.01.org/0day-ci/archive/20250108/202501081558.g5cb5wQS-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250108/202501081558.g5cb5wQS-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/202501081558.g5cb5wQS-lkp@intel.com/
All error/warnings (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
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