diff mbox series

[v4,04/10] cpufreq: dt: invoke frequency-invariance setter function

Message ID 20170825143206.30467-5-dietmar.eggemann@arm.com
State Superseded
Headers show
Series arm, arm64, cpufreq: frequency- and cpu-invariant accounting support for task scheduler | expand

Commit Message

Dietmar Eggemann Aug. 25, 2017, 2:32 p.m. UTC 
Call the frequency-invariance setter function arch_set_freq_scale()
if the new frequency has been successfully set which is indicated by
dev_pm_opp_set_rate() returning 0.

Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

---
 drivers/cpufreq/cpufreq-dt.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

-- 
2.11.0
diff mbox series

Patch

diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index fef3c2160691..cbac8a7dbc50 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -43,9 +43,17 @@  static struct freq_attr *cpufreq_dt_attr[] = {
 static int set_target(struct cpufreq_policy *policy, unsigned int index)
 {
 	struct private_data *priv = policy->driver_data;
+	unsigned long freq = policy->freq_table[index].frequency;
+	int ret;
+
+	ret = dev_pm_opp_set_rate(priv->cpu_dev, freq * 1000);
 
-	return dev_pm_opp_set_rate(priv->cpu_dev,
-				   policy->freq_table[index].frequency * 1000);
+	if (!ret) {
+		arch_set_freq_scale(policy->related_cpus, freq,
+				    policy->cpuinfo.max_freq);
+	}
+
+	return ret;
 }
 
 /*