Hi Hector, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on soc/for-next] [also build test WARNING on robh/for-next v5.14] [cannot apply to pm/linux-next next-20210903] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Hector-Yuan/dt-bindings-cpufreq-add-bindings-for-MediaTek-cpufreq-HW/20210903-174004 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next config: i386-randconfig-r002-20210903 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 1104e3258b5064e7110cc297e2cec60ac9acfc0a) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/47a2ae7200a52148136871a5a9c85eadd4c6c620 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Hector-Yuan/dt-bindings-cpufreq-add-bindings-for-MediaTek-cpufreq-HW/20210903-174004 git checkout 47a2ae7200a52148136871a5a9c85eadd4c6c620 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): static inline void register_hugetlbfs_with_node(node_registration_func_t reg, ^ include/linux/node.h:177:32: warning: unused parameter 'unreg' [-Wunused-parameter] node_registration_func_t unreg) ^ In file included from drivers/gpu/drm/i915/gt/intel_llc.c:6: In file included from include/linux/cpufreq.h:17: In file included from include/linux/of_device.h:5: In file included from include/linux/cpu.h:20: include/linux/cpuhotplug.h:417:55: warning: unused parameter 'state' [-Wunused-parameter] static inline void cpuhp_online_idle(enum cpuhp_state state) { } ^ In file included from drivers/gpu/drm/i915/gt/intel_llc.c:6: In file included from include/linux/cpufreq.h:17: In file included from include/linux/of_device.h:5: include/linux/cpu.h:111:40: warning: unused parameter 'cpu' [-Wunused-parameter] static inline int add_cpu(unsigned int cpu) { return 0;} ^ include/linux/cpu.h:142:43: warning: unused parameter 'cpu' [-Wunused-parameter] static inline int remove_cpu(unsigned int cpu) { return -EPERM; } ^ include/linux/cpu.h:143:59: warning: unused parameter 'primary_cpu' [-Wunused-parameter] static inline void smp_shutdown_nonboot_cpus(unsigned int primary_cpu) { } ^ include/linux/cpu.h:226:41: warning: unused parameter 'force' [-Wunused-parameter] static inline void cpu_smt_disable(bool force) { } ^ include/linux/cpu.h:230:60: warning: unused parameter 'ctrlval' [-Wunused-parameter] static inline int cpuhp_smt_disable(enum cpuhp_smt_control ctrlval) { return 0; } ^ In file included from drivers/gpu/drm/i915/gt/intel_llc.c:6: In file included from include/linux/cpufreq.h:17: In file included from include/linux/of_device.h:6: include/linux/platform_device.h:353:71: warning: unused parameter 'pdev' [-Wunused-parameter] static inline int is_sh_early_platform_device(struct platform_device *pdev) ^ In file included from drivers/gpu/drm/i915/gt/intel_llc.c:6: include/linux/cpufreq.h:190:71: warning: unused parameter 'cpu' [-Wunused-parameter] static inline struct cpufreq_policy *cpufreq_cpu_get_raw(unsigned int cpu) ^ include/linux/cpufreq.h:194:67: warning: unused parameter 'cpu' [-Wunused-parameter] static inline struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu) ^ include/linux/cpufreq.h:198:59: warning: unused parameter 'policy' [-Wunused-parameter] static inline void cpufreq_cpu_put(struct cpufreq_policy *policy) { } ^ include/linux/cpufreq.h:232:53: warning: unused parameter 'cpu' [-Wunused-parameter] static inline unsigned int cpufreq_get(unsigned int cpu) ^ include/linux/cpufreq.h:236:59: warning: unused parameter 'cpu' [-Wunused-parameter] static inline unsigned int cpufreq_quick_get(unsigned int cpu) ^ include/linux/cpufreq.h:240:63: warning: unused parameter 'cpu' [-Wunused-parameter] static inline unsigned int cpufreq_quick_get_max(unsigned int cpu) ^ include/linux/cpufreq.h:244:65: warning: unused parameter 'cpu' [-Wunused-parameter] static inline unsigned int cpufreq_get_hw_max_freq(unsigned int cpu) ^ include/linux/cpufreq.h:261:70: warning: unused parameter 'policy' [-Wunused-parameter] static inline void cpufreq_stats_create_table(struct cpufreq_policy *policy) { } ^ include/linux/cpufreq.h:262:68: warning: unused parameter 'policy' [-Wunused-parameter] static inline void cpufreq_stats_free_table(struct cpufreq_policy *policy) { } ^ include/linux/cpufreq.h:263:75: warning: unused parameter 'policy' [-Wunused-parameter] static inline void cpufreq_stats_record_transition(struct cpufreq_policy *policy, ^ include/linux/cpufreq.h:264:23: warning: unused parameter 'new_freq' [-Wunused-parameter] unsigned int new_freq) { } ^ include/linux/cpufreq.h:500:68: warning: unused parameter 'nb' [-Wunused-parameter] static inline int cpufreq_register_notifier(struct notifier_block *nb, ^ include/linux/cpufreq.h:501:20: warning: unused parameter 'list' [-Wunused-parameter] unsigned int list) ^ include/linux/cpufreq.h:505:70: warning: unused parameter 'nb' [-Wunused-parameter] static inline int cpufreq_unregister_notifier(struct notifier_block *nb, ^ include/linux/cpufreq.h:506:20: warning: unused parameter 'list' [-Wunused-parameter] unsigned int list) ^ include/linux/cpufreq.h:676:64: warning: unused parameter 'dev' [-Wunused-parameter] static inline int dev_pm_opp_init_cpufreq_table(struct device *dev, ^ include/linux/cpufreq.h:678:9: warning: unused parameter 'table' [-Wunused-parameter] **table) ^ include/linux/cpufreq.h:683:65: warning: unused parameter 'dev' [-Wunused-parameter] static inline void dev_pm_opp_free_cpufreq_table(struct device *dev, ^ include/linux/cpufreq.h:685:10: warning: unused parameter 'table' [-Wunused-parameter] **table) ^ include/linux/cpufreq.h:1038:51: warning: unused parameter 'state' [-Wunused-parameter] static inline int cpufreq_boost_trigger_state(int state) ^ include/linux/cpufreq.h:1052:65: warning: unused parameter 'policy' [-Wunused-parameter] static inline bool policy_has_boost_freq(struct cpufreq_policy *policy) ^ >> include/linux/cpufreq.h:1057:58: warning: unused parameter 'pcpu' [-Wunused-parameter] static inline int of_perf_domain_get_sharing_cpumask(int pcpu, const char *list_name, ^ >> include/linux/cpufreq.h:1057:76: warning: unused parameter 'list_name' [-Wunused-parameter] static inline int of_perf_domain_get_sharing_cpumask(int pcpu, const char *list_name, ^ >> include/linux/cpufreq.h:1058:24: warning: unused parameter 'cell_name' [-Wunused-parameter] const char *cell_name, struct cpumask *cpumask) ^ >> include/linux/cpufreq.h:1058:51: warning: unused parameter 'cpumask' [-Wunused-parameter] const char *cell_name, struct cpumask *cpumask) ^ include/linux/cpufreq.h:1068:73: warning: unused parameter 'policy' [-Wunused-parameter] static inline void sched_cpufreq_governor_change(struct cpufreq_policy *policy, ^ include/linux/cpufreq.h:1069:29: warning: unused parameter 'old_gov' [-Wunused-parameter] struct cpufreq_governor *old_gov) { } ^ include/linux/cpufreq.h:1077:48: warning: unused parameter 'cpus' [-Wunused-parameter] void arch_set_freq_scale(const struct cpumask *cpus, ^ include/linux/cpufreq.h:1078:19: warning: unused parameter 'cur_freq' [-Wunused-parameter] unsigned long cur_freq, ^ include/linux/cpufreq.h:1079:19: warning: unused parameter 'max_freq' [-Wunused-parameter] unsigned long max_freq) ^ In file included from drivers/gpu/drm/i915/gt/intel_llc.c:8: In file included from drivers/gpu/drm/i915/i915_drv.h:36: In file included from arch/x86/include/asm/hypervisor.h:37: In file included from arch/x86/include/asm/kvm_para.h:7: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:5: include/linux/context_tracking_state.h:51:53: warning: unused parameter 'cpu' [-Wunused-parameter] static inline bool context_tracking_enabled_cpu(int cpu) { return false; } ^ In file included from drivers/gpu/drm/i915/gt/intel_llc.c:8: In file included from drivers/gpu/drm/i915/i915_drv.h:36: In file included from arch/x86/include/asm/hypervisor.h:37: In file included from arch/x86/include/asm/kvm_para.h:7: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:10: include/linux/vtime.h:28:57: warning: unused parameter 'tsk' [-Wunused-parameter] static inline void vtime_user_enter(struct task_struct *tsk) { } ^ include/linux/vtime.h:29:56: warning: unused parameter 'tsk' [-Wunused-parameter] static inline void vtime_user_exit(struct task_struct *tsk) { } ^ include/linux/vtime.h:30:58: warning: unused parameter 'tsk' [-Wunused-parameter] static inline void vtime_guest_enter(struct task_struct *tsk) { } ^ include/linux/vtime.h:31:57: warning: unused parameter 'tsk' [-Wunused-parameter] static inline void vtime_guest_exit(struct task_struct *tsk) { } ^ include/linux/vtime.h:32:56: warning: unused parameter 'tsk' [-Wunused-parameter] static inline void vtime_init_idle(struct task_struct *tsk, int cpu) { } ^ include/linux/vtime.h:32:65: warning: unused parameter 'cpu' [-Wunused-parameter] static inline void vtime_init_idle(struct task_struct *tsk, int cpu) { } ^ include/linux/vtime.h:41:58: warning: unused parameter 'tsk' [-Wunused-parameter] static inline void vtime_account_irq(struct task_struct *tsk, unsigned int offset) { } ^ include/linux/vtime.h:41:76: warning: unused parameter 'offset' [-Wunused-parameter] static inline void vtime_account_irq(struct task_struct *tsk, unsigned int offset) { } ^ include/linux/vtime.h:42:62: warning: unused parameter 'tsk' [-Wunused-parameter] static inline void vtime_account_softirq(struct task_struct *tsk) { } ^ include/linux/vtime.h:43:62: warning: unused parameter 'tsk' [-Wunused-parameter] static inline void vtime_account_hardirq(struct task_struct *tsk) { } ^ include/linux/vtime.h:44:52: warning: unused parameter 'tsk' [-Wunused-parameter] static inline void vtime_flush(struct task_struct *tsk) { } ^ include/linux/vtime.h:117:58: warning: unused parameter 'prev' [-Wunused-parameter] static inline void vtime_task_switch(struct task_struct *prev) { } ^ In file included from drivers/gpu/drm/i915/gt/intel_llc.c:8: In file included from drivers/gpu/drm/i915/i915_drv.h:36: In file included from arch/x86/include/asm/hypervisor.h:37: In file included from arch/x86/include/asm/kvm_para.h:7: In file included from include/linux/interrupt.h:20: In file included from arch/x86/include/asm/sections.h:7: include/asm-generic/sections.h:70:53: warning: unused parameter 'addr' [-Wunused-parameter] static inline int arch_is_kernel_text(unsigned long addr) ^ include/asm-generic/sections.h:77:53: warning: unused parameter 'addr' [-Wunused-parameter] static inline int arch_is_kernel_data(unsigned long addr) ^ In file included from drivers/gpu/drm/i915/gt/intel_llc.c:8: In file included from drivers/gpu/drm/i915/i915_drv.h:36: In file included from arch/x86/include/asm/hypervisor.h:37: In file included from arch/x86/include/asm/kvm_para.h:7: include/linux/interrupt.h:346:49: warning: unused parameter 'irq' [-Wunused-parameter] static inline int irq_set_affinity(unsigned int irq, const struct cpumask *m) ^ include/linux/interrupt.h:346:76: warning: unused parameter 'm' [-Wunused-parameter] static inline int irq_set_affinity(unsigned int irq, const struct cpumask *m) ^ include/linux/interrupt.h:351:51: warning: unused parameter 'irq' [-Wunused-parameter] static inline int irq_force_affinity(unsigned int irq, const struct cpumask *cpumask) ^ include/linux/interrupt.h:351:78: warning: unused parameter 'cpumask' [-Wunused-parameter] static inline int irq_force_affinity(unsigned int irq, const struct cpumask *cpumask) ^ include/linux/interrupt.h:356:53: warning: unused parameter 'irq' [-Wunused-parameter] static inline int irq_can_set_affinity(unsigned int irq) ^ include/linux/interrupt.h:361:52: warning: unused parameter 'irq' [-Wunused-parameter] vim +/pcpu +1057 include/linux/cpufreq.h 1000 1001 static inline int of_perf_domain_get_sharing_cpumask(int pcpu, const char *list_name, 1002 const char *cell_name, struct cpumask *cpumask) 1003 { 1004 struct device_node *cpu_np; 1005 struct of_phandle_args args; 1006 int target_idx; 1007 int cpu, ret; 1008 1009 cpu_np = of_cpu_device_node_get(pcpu); 1010 of_parse_phandle_with_args(cpu_np, list_name, 1011 cell_name, 0, &args); 1012 of_node_put(cpu_np); 1013 target_idx = args.args[0]; 1014 1015 for_each_possible_cpu(cpu) { 1016 if (cpu == pcpu) 1017 continue; 1018 1019 cpu_np = of_cpu_device_node_get(cpu); 1020 if (!cpu_np) 1021 continue; 1022 1023 ret = of_parse_phandle_with_args(cpu_np, list_name, 1024 cell_name, 0, 1025 &args); 1026 1027 of_node_put(cpu_np); 1028 if (ret < 0) 1029 continue; 1030 1031 if (target_idx == args.args[0]) 1032 cpumask_set_cpu(cpu, cpumask); 1033 } 1034 1035 return target_idx; 1036 } 1037 #else > 1038 static inline int cpufreq_boost_trigger_state(int state) 1039 { 1040 return 0; 1041 } 1042 static inline int cpufreq_boost_enabled(void) 1043 { 1044 return 0; 1045 } 1046 1047 static inline int cpufreq_enable_boost_support(void) 1048 { 1049 return -EINVAL; 1050 } 1051 > 1052 static inline bool policy_has_boost_freq(struct cpufreq_policy *policy) 1053 { 1054 return false; 1055 } 1056 > 1057 static inline int of_perf_domain_get_sharing_cpumask(int pcpu, const char *list_name, > 1058 const char *cell_name, struct cpumask *cpumask) 1059 { 1060 return -EOPNOTSUPP; 1061 } 1062 #endif 1063 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org