treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

[mirror_ubuntu-hirsute-kernel.git] / arch / arm / kernel / smp.c

diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index c93fe0f256debfd6be2885f9f5186e8082e2e671..a137608cd1970737a5a571b5ff2b375d3d01aaae 100644 (file)
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  *  linux/arch/arm/kernel/smp.c
  *
  *  Copyright (C) 2002 ARM Limited, All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #include <linux/module.h>
 #include <linux/delay.h>
@@ -758,15 +755,20 @@ static int cpufreq_callback(struct notifier_block *nb,
                                        unsigned long val, void *data)
 {
        struct cpufreq_freqs *freq = data;
-       int cpu = freq->cpu;
+       struct cpumask *cpus = freq->policy->cpus;
+       int cpu, first = cpumask_first(cpus);
+       unsigned int lpj;
 
        if (freq->flags & CPUFREQ_CONST_LOOPS)
                return NOTIFY_OK;
 
-       if (!per_cpu(l_p_j_ref, cpu)) {
-               per_cpu(l_p_j_ref, cpu) =
-                       per_cpu(cpu_data, cpu).loops_per_jiffy;
-               per_cpu(l_p_j_ref_freq, cpu) = freq->old;
+       if (!per_cpu(l_p_j_ref, first)) {
+               for_each_cpu(cpu, cpus) {
+                       per_cpu(l_p_j_ref, cpu) =
+                               per_cpu(cpu_data, cpu).loops_per_jiffy;
+                       per_cpu(l_p_j_ref_freq, cpu) = freq->old;
+               }
+
                if (!global_l_p_j_ref) {
                        global_l_p_j_ref = loops_per_jiffy;
                        global_l_p_j_ref_freq = freq->old;
@@ -778,10 +780,11 @@ static int cpufreq_callback(struct notifier_block *nb,
                loops_per_jiffy = cpufreq_scale(global_l_p_j_ref,
                                                global_l_p_j_ref_freq,
                                                freq->new);
-               per_cpu(cpu_data, cpu).loops_per_jiffy =
-                       cpufreq_scale(per_cpu(l_p_j_ref, cpu),
-                                       per_cpu(l_p_j_ref_freq, cpu),
-                                       freq->new);
+
+               lpj = cpufreq_scale(per_cpu(l_p_j_ref, first),
+                                   per_cpu(l_p_j_ref_freq, first), freq->new);
+               for_each_cpu(cpu, cpus)
+                       per_cpu(cpu_data, cpu).loops_per_jiffy = lpj;
        }
        return NOTIFY_OK;
 }