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path: root/drivers/cpufreq/cpufreq.c
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Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
-rw-r--r--drivers/cpufreq/cpufreq.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index d9fdeddcef96..24bf76fba141 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -437,7 +437,7 @@ static struct cpufreq_governor *__find_governor(const char *str_governor)
struct cpufreq_governor *t;
list_for_each_entry(t, &cpufreq_governor_list, governor_list)
- if (!strnicmp(str_governor, t->name, CPUFREQ_NAME_LEN))
+ if (!strncasecmp(str_governor, t->name, CPUFREQ_NAME_LEN))
return t;
return NULL;
@@ -455,10 +455,10 @@ static int cpufreq_parse_governor(char *str_governor, unsigned int *policy,
goto out;
if (cpufreq_driver->setpolicy) {
- if (!strnicmp(str_governor, "performance", CPUFREQ_NAME_LEN)) {
+ if (!strncasecmp(str_governor, "performance", CPUFREQ_NAME_LEN)) {
*policy = CPUFREQ_POLICY_PERFORMANCE;
err = 0;
- } else if (!strnicmp(str_governor, "powersave",
+ } else if (!strncasecmp(str_governor, "powersave",
CPUFREQ_NAME_LEN)) {
*policy = CPUFREQ_POLICY_POWERSAVE;
err = 0;
@@ -1289,6 +1289,8 @@ err_get_freq:
per_cpu(cpufreq_cpu_data, j) = NULL;
write_unlock_irqrestore(&cpufreq_driver_lock, flags);
+ up_write(&policy->rwsem);
+
if (cpufreq_driver->exit)
cpufreq_driver->exit(policy);
err_set_policy_cpu:
@@ -1380,7 +1382,7 @@ static int __cpufreq_remove_dev_prepare(struct device *dev,
if (!cpufreq_suspended)
pr_debug("%s: policy Kobject moved to cpu: %d from: %d\n",
__func__, new_cpu, cpu);
- } else if (cpufreq_driver->stop_cpu && cpufreq_driver->setpolicy) {
+ } else if (cpufreq_driver->stop_cpu) {
cpufreq_driver->stop_cpu(policy);
}
@@ -1657,7 +1659,7 @@ void cpufreq_suspend(void)
return;
if (!has_target())
- return;
+ goto suspend;
pr_debug("%s: Suspending Governors\n", __func__);
@@ -1671,6 +1673,7 @@ void cpufreq_suspend(void)
policy);
}
+suspend:
cpufreq_suspended = true;
}
@@ -1687,13 +1690,13 @@ void cpufreq_resume(void)
if (!cpufreq_driver)
return;
+ cpufreq_suspended = false;
+
if (!has_target())
return;
pr_debug("%s: Resuming Governors\n", __func__);
- cpufreq_suspended = false;
-
list_for_each_entry(policy, &cpufreq_policy_list, policy_list) {
if (cpufreq_driver->resume && cpufreq_driver->resume(policy))
pr_err("%s: Failed to resume driver: %p\n", __func__,