From: Dirk Brandewie <dirk.j.brandewie@xxxxxxxxx>
Scaling drivers that implement internal governors do not have governor
sturctures associated with them. Do not create/remove statisitcs
entries for polices that do not have governors associated with them.
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@xxxxxxxxx>
---
drivers/cpufreq/cpufreq_stats.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index 9d7732b..8a1daf4 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -183,7 +183,7 @@ static void cpufreq_stats_free_table(unsigned int cpu)
static void cpufreq_stats_free_sysfs(unsigned int cpu)
{
struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
- if (policy && policy->cpu == cpu)
+ if (policy && policy->cpu == cpu && policy->governor)
sysfs_remove_group(&policy->kobj, &stats_attr_group);
if (policy)
cpufreq_cpu_put(policy);
@@ -271,6 +271,8 @@ static int cpufreq_stat_notifier_policy(struct notifier_block *nb,
unsigned int cpu = policy->cpu;
if (val != CPUFREQ_NOTIFY)
return 0;
+ if (!policy->governor)
+ return 0;
table = cpufreq_frequency_get_table(cpu);
if (!table)
return 0;
--
1.7.7.6
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