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Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/cpufreq.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 3d0430741b5..12e63642aa0 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -346,6 +346,8 @@ show_one(scaling_min_freq, min);
show_one(scaling_max_freq, max);
show_one(scaling_cur_freq, cur);
+static int __cpufreq_set_policy(struct cpufreq_policy *data, struct cpufreq_policy *policy);
+
/**
* cpufreq_per_cpu_attr_write() / store_##file_name() - sysfs write access
*/
@@ -364,7 +366,10 @@ static ssize_t store_##file_name \
if (ret != 1) \
return -EINVAL; \
\
- ret = cpufreq_set_policy(&new_policy); \
+ mutex_lock(&policy->lock); \
+ ret = __cpufreq_set_policy(policy, &new_policy); \
+ policy->user_policy.object = policy->object; \
+ mutex_unlock(&policy->lock); \
\
return ret ? ret : count; \
}
@@ -420,7 +425,15 @@ static ssize_t store_scaling_governor (struct cpufreq_policy * policy,
if (cpufreq_parse_governor(str_governor, &new_policy.policy, &new_policy.governor))
return -EINVAL;
- ret = cpufreq_set_policy(&new_policy);
+ /* Do not use cpufreq_set_policy here or the user_policy.max
+ will be wrongly overridden */
+ mutex_lock(&policy->lock);
+ ret = __cpufreq_set_policy(policy, &new_policy);
+
+ policy->user_policy.policy = policy->policy;
+ policy->user_policy.governor = policy->governor;
+ mutex_unlock(&policy->lock);
+
return ret ? ret : count;
}