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path: root/drivers/cpufreq/cpufreq_ondemand.c
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Diffstat (limited to 'drivers/cpufreq/cpufreq_ondemand.c')
-rw-r--r--drivers/cpufreq/cpufreq_ondemand.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 3a1f49f5f4c6..4a017e895296 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -25,7 +25,7 @@
#define MAX_SAMPLING_DOWN_FACTOR (100000)
#define MICRO_FREQUENCY_UP_THRESHOLD (95)
#define MICRO_FREQUENCY_MIN_SAMPLE_RATE (10000)
-#define MIN_FREQUENCY_UP_THRESHOLD (11)
+#define MIN_FREQUENCY_UP_THRESHOLD (1)
#define MAX_FREQUENCY_UP_THRESHOLD (100)
static struct od_ops od_ops;
@@ -169,7 +169,7 @@ static void od_update(struct cpufreq_policy *policy)
}
}
-static unsigned int od_dbs_timer(struct cpufreq_policy *policy)
+static unsigned int od_dbs_update(struct cpufreq_policy *policy)
{
struct policy_dbs_info *policy_dbs = policy->governor_data;
struct dbs_data *dbs_data = policy_dbs->dbs_data;
@@ -191,7 +191,7 @@ static unsigned int od_dbs_timer(struct cpufreq_policy *policy)
od_update(policy);
if (dbs_info->freq_lo) {
- /* Setup timer for SUB_SAMPLE */
+ /* Setup SUB_SAMPLE */
dbs_info->sample_type = OD_SUB_SAMPLE;
return dbs_info->freq_hi_delay_us;
}
@@ -255,11 +255,11 @@ static ssize_t store_sampling_down_factor(struct gov_attr_set *attr_set,
list_for_each_entry(policy_dbs, &attr_set->policy_list, list) {
/*
* Doing this without locking might lead to using different
- * rate_mult values in od_update() and od_dbs_timer().
+ * rate_mult values in od_update() and od_dbs_update().
*/
- mutex_lock(&policy_dbs->timer_mutex);
+ mutex_lock(&policy_dbs->update_mutex);
policy_dbs->rate_mult = 1;
- mutex_unlock(&policy_dbs->timer_mutex);
+ mutex_unlock(&policy_dbs->update_mutex);
}
return count;
@@ -374,8 +374,7 @@ static int od_init(struct dbs_data *dbs_data)
dbs_data->up_threshold = MICRO_FREQUENCY_UP_THRESHOLD;
/*
* In nohz/micro accounting case we set the minimum frequency
- * not depending on HZ, but fixed (very low). The deferred
- * timer might skip some samples if idle/sleeping as needed.
+ * not depending on HZ, but fixed (very low).
*/
dbs_data->min_sampling_rate = MICRO_FREQUENCY_MIN_SAMPLE_RATE;
} else {
@@ -415,7 +414,7 @@ static struct od_ops od_ops = {
static struct dbs_governor od_dbs_gov = {
.gov = CPUFREQ_DBS_GOVERNOR_INITIALIZER("ondemand"),
.kobj_type = { .default_attrs = od_attributes },
- .gov_dbs_timer = od_dbs_timer,
+ .gov_dbs_update = od_dbs_update,
.alloc = od_alloc,
.free = od_free,
.init = od_init,