2 files changed, 8 insertions, 4 deletions

diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index 443442df113b..5af40ad82d23 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -255,6 +255,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy,
                 if (have_governor_per_policy()) {
                         WARN_ON(dbs_data);
                 } else if (dbs_data) {
+                        dbs_data->usage_count++;
                         policy->governor_data = dbs_data;
                         return 0;
                 }
@@ -266,6 +267,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy,
                 }
 
                 dbs_data->cdata = cdata;
+                dbs_data->usage_count = 1;
                 rc = cdata->init(dbs_data);
                 if (rc) {
                         pr_err("%s: POLICY_INIT: init() failed\n", __func__);
@@ -294,7 +296,8 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy,
                 set_sampling_rate(dbs_data, max(dbs_data->min_sampling_rate,
                                         latency * LATENCY_MULTIPLIER));
 
-                if (dbs_data->cdata->governor == GOV_CONSERVATIVE) {
+                if ((cdata->governor == GOV_CONSERVATIVE) &&
+                                (!policy->governor->initialized)) {
                         struct cs_ops *cs_ops = dbs_data->cdata->gov_ops;
 
                         cpufreq_register_notifier(cs_ops->notifier_block,
@@ -306,12 +309,12 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy,
 
                 return 0;
         case CPUFREQ_GOV_POLICY_EXIT:
-                if ((policy->governor->initialized == 1) ||
-                                have_governor_per_policy()) {
+                if (!--dbs_data->usage_count) {
                         sysfs_remove_group(get_governor_parent_kobj(policy),
                                         get_sysfs_attr(dbs_data));
 
-                        if (dbs_data->cdata->governor == GOV_CONSERVATIVE) {
+                        if ((dbs_data->cdata->governor == GOV_CONSERVATIVE) &&
+                                (policy->governor->initialized == 1)) {
                                 struct cs_ops *cs_ops = dbs_data->cdata->gov_ops;
 
                                 cpufreq_unregister_notifier(cs_ops->notifier_block,
diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h
index 8ac33538d0bd..e16a96130cb3 100644
--- a/drivers/cpufreq/cpufreq_governor.h
+++ b/drivers/cpufreq/cpufreq_governor.h
@@ -211,6 +211,7 @@ struct common_dbs_data {
 struct dbs_data {
         struct common_dbs_data *cdata;
         unsigned int min_sampling_rate;
+        int usage_count;
         void *tuners;
 
         /* dbs_mutex protects dbs_enable in governor start/stop */