Merge tag 'pm-6.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fix from Rafael Rafael:
 "Fix a locking issue in the cpufreq core introduced recently and caught
  by lockdep (Christian Loehle)"

* tag 'pm-6.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: Initialize cpufreq-based invariance before subsys

Author: torvalds

drivers/cpufreq/cpufreq.c

@@ -2953,6 +2953,15 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
 			goto err_null_driver;
 	}
 
+	/*
+	 * Mark support for the scheduler's frequency invariance engine for
+	 * drivers that implement target(), target_index() or fast_switch().
+	 */
+	if (!cpufreq_driver->setpolicy) {
+		static_branch_enable_cpuslocked(&cpufreq_freq_invariance);
+		pr_debug("cpufreq: supports frequency invariance\n");
+	}
+
 	ret = subsys_interface_register(&cpufreq_interface);
 	if (ret)
 		goto err_boost_unreg;
@@ -2974,21 +2983,14 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
 	hp_online = ret;
 	ret = 0;
 
-	/*
-	 * Mark support for the scheduler's frequency invariance engine for
-	 * drivers that implement target(), target_index() or fast_switch().
-	 */
-	if (!cpufreq_driver->setpolicy) {
-		static_branch_enable_cpuslocked(&cpufreq_freq_invariance);
-		pr_debug("supports frequency invariance");
-	}
-
 	pr_debug("driver %s up and running\n", driver_data->name);
 	goto out;
 
 err_if_unreg:
 	subsys_interface_unregister(&cpufreq_interface);
 err_boost_unreg:
+	if (!cpufreq_driver->setpolicy)
+		static_branch_disable_cpuslocked(&cpufreq_freq_invariance);
 	remove_boost_sysfs_file();
 err_null_driver:
 	write_lock_irqsave(&cpufreq_driver_lock, flags);