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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2022-05-11 17:48:41 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2022-05-12 17:11:57 +0200
commite1e962c5b9edbc628a335bcdbd010331a12d3e5b (patch)
treed525280ad1ad6efed4993c9c35d9dac98625ce6e /drivers/cpufreq/cpufreq.c
parent5c84c1b84bd80a735b2c7804e7be86d043fca595 (diff)
downloadlinux-e1e962c5b9edbc628a335bcdbd010331a12d3e5b.tar.gz
cpufreq: Reorganize checks in cpufreq_offline()
Notice that cpufreq_offline() only needs to check policy_is_inactive()
once and rearrange the code in there to make that happen.

No expected functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
-rw-r--r--drivers/cpufreq/cpufreq.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index c8bf6c68597c..79cedc2bd7fc 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1591,24 +1591,18 @@ static int cpufreq_offline(unsigned int cpu)
 	}
 
 	down_write(&policy->rwsem);
+
 	if (has_target())
 		cpufreq_stop_governor(policy);
 
 	cpumask_clear_cpu(cpu, policy->cpus);
 
-	if (policy_is_inactive(policy)) {
-		if (has_target())
-			strncpy(policy->last_governor, policy->governor->name,
-				CPUFREQ_NAME_LEN);
-		else
-			policy->last_policy = policy->policy;
-	} else if (cpu == policy->cpu) {
-		/* Nominate new CPU */
-		policy->cpu = cpumask_any(policy->cpus);
-	}
-
-	/* Start governor again for active policy */
 	if (!policy_is_inactive(policy)) {
+		/* Nominate a new CPU if necessary. */
+		if (cpu == policy->cpu)
+			policy->cpu = cpumask_any(policy->cpus);
+
+		/* Start the governor again for the active policy. */
 		if (has_target()) {
 			ret = cpufreq_start_governor(policy);
 			if (ret)
@@ -1618,6 +1612,12 @@ static int cpufreq_offline(unsigned int cpu)
 		goto unlock;
 	}
 
+	if (has_target())
+		strncpy(policy->last_governor, policy->governor->name,
+			CPUFREQ_NAME_LEN);
+	else
+		policy->last_policy = policy->policy;
+
 	if (cpufreq_thermal_control_enabled(cpufreq_driver)) {
 		cpufreq_cooling_unregister(policy->cdev);
 		policy->cdev = NULL;