694  * cpufreq_parse_governor - parse a governor string only for has_target()
695  * @str_governor: Governor name.
796 	else if (policy->governor)  in show_scaling_governor()
797 		return sysfs_emit(buf, "%s\n", policy->governor->name);  in show_scaling_governor()
915 	if (!policy->governor || !policy->governor->store_setspeed)  in store_scaling_setspeed()
922 	policy->governor->store_setspeed(policy, freq);  in store_scaling_setspeed()
929 	if (!policy->governor || !policy->governor->show_setspeed)  in show_scaling_setspeed()
932 	return policy->governor->show_setspeed(policy, buf);  in show_scaling_setspeed()
1102 		/* Update policy governor to the one used before hotplug. */  in cpufreq_init_policy()
1105 			pr_debug("Restoring governor %s for cpu %d\n",  in cpufreq_init_policy()
1124 			 * In case the default governor is neither "performance"  in cpufreq_init_policy()
1160 			pr_err("%s: Failed to start governor\n", __func__);  in cpufreq_add_policy_cpu()
1171 		cpufreq_set_policy(policy, policy->governor, policy->policy);  in refresh_frequency_limits()
1380 		policy->governor = NULL;  in cpufreq_online()
1651 		/* Start the governor again for the active policy. */  in __cpufreq_offline()
1655 				pr_err("%s: Failed to start governor\n", __func__);  in __cpufreq_offline()
1662 		strscpy(policy->last_governor, policy->governor->name,  in __cpufreq_offline()
2013 				pr_err("%s: Failed to start governor for CPU%u's policy\n",  in cpufreq_resume()
2398 	/* Don't start any governor operations if we are entering suspend */  in cpufreq_init_governor()
2402 	 * Governor might not be initiated here if ACPI _PPC changed  in cpufreq_init_governor()
2405 	if (!policy->governor)  in cpufreq_init_governor()
2409 	if (policy->governor->flags & CPUFREQ_GOV_DYNAMIC_SWITCHING &&  in cpufreq_init_governor()
2414 			pr_warn("Can't use %s governor as dynamic switching is disallowed. Fallback to %s governor\n",  in cpufreq_init_governor()
2415 				policy->governor->name, gov->name);  in cpufreq_init_governor()
2416 			policy->governor = gov;  in cpufreq_init_governor()
2422 	if (!try_module_get(policy->governor->owner))  in cpufreq_init_governor()
2427 	if (policy->governor->init) {  in cpufreq_init_governor()
2428 		ret = policy->governor->init(policy);  in cpufreq_init_governor()
2430 			module_put(policy->governor->owner);  in cpufreq_init_governor()
2435 	policy->strict_target = !!(policy->governor->flags & CPUFREQ_GOV_STRICT_TARGET);  in cpufreq_init_governor()
2442 	if (cpufreq_suspended || !policy->governor)  in cpufreq_exit_governor()
2447 	if (policy->governor->exit)  in cpufreq_exit_governor()
2448 		policy->governor->exit(policy);  in cpufreq_exit_governor()
2450 	module_put(policy->governor->owner);  in cpufreq_exit_governor()
2460 	if (!policy->governor)  in cpufreq_start_governor()
2468 	if (policy->governor->start) {  in cpufreq_start_governor()
2469 		ret = policy->governor->start(policy);  in cpufreq_start_governor()
2474 	if (policy->governor->limits)  in cpufreq_start_governor()
2475 		policy->governor->limits(policy);  in cpufreq_start_governor()
2482 	if (cpufreq_suspended || !policy->governor)  in cpufreq_stop_governor()
2487 	if (policy->governor->stop)  in cpufreq_stop_governor()
2488 		policy->governor->stop(policy);  in cpufreq_stop_governor()
2493 	if (cpufreq_suspended || !policy->governor)  in cpufreq_governor_limits()
2498 	if (policy->governor->limits)  in cpufreq_governor_limits()
2499 		policy->governor->limits(policy);  in cpufreq_governor_limits()
2502 int cpufreq_register_governor(struct cpufreq_governor *governor)  in cpufreq_register_governor()  argument
2506 	if (!governor)  in cpufreq_register_governor()
2515 	if (!find_governor(governor->name)) {  in cpufreq_register_governor()
2517 		list_add(&governor->governor_list, &cpufreq_governor_list);  in cpufreq_register_governor()
2525 void cpufreq_unregister_governor(struct cpufreq_governor *governor)  in cpufreq_unregister_governor()  argument
2530 	if (!governor)  in cpufreq_unregister_governor()
2539 		if (!strcmp(policy->last_governor, governor->name)) {  in cpufreq_unregister_governor()
2540 			policy->governor = NULL;  in cpufreq_unregister_governor()
2547 	list_del(&governor->governor_list);  in cpufreq_unregister_governor()
2619  * @new_gov: Policy governor pointer.
2625  * carry out a governor update for @policy.  That is, run the current governor's
2627  * @policy) or replace the governor for @policy with @new_gov.
2684 	if (new_gov == policy->governor) {  in cpufreq_set_policy()
2685 		pr_debug("governor limits update\n");  in cpufreq_set_policy()
2690 	pr_debug("governor switch\n");  in cpufreq_set_policy()
2693 	old_gov = policy->governor;  in cpufreq_set_policy()
2694 	/* end old governor */  in cpufreq_set_policy()
2700 	/* start new governor */  in cpufreq_set_policy()
2701 	policy->governor = new_gov;  in cpufreq_set_policy()
2706 			pr_debug("governor change\n");  in cpufreq_set_policy()
2712 	/* new governor failed, so re-start old one */  in cpufreq_set_policy()
2713 	pr_debug("starting governor %s failed\n", policy->governor->name);  in cpufreq_set_policy()
2715 		policy->governor = old_gov;  in cpufreq_set_policy()
2717 			policy->governor = NULL;  in cpufreq_set_policy()