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Groups > linux.kernel > #1720129

[PATCH v4 03/10] cpufreq: arm_big_little: invoke frequency-invariance setter function

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Call the frequency-invariance setter function arch_set_freq_scale()
if the new frequency has been successfully set which is indicated by
bL_cpufreq_set_rate() returning 0.

Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
---
 drivers/cpufreq/arm_big_little.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/cpufreq/arm_big_little.c b/drivers/cpufreq/arm_big_little.c
index ea6d62547b10..8880f8d9d09d 100644
--- a/drivers/cpufreq/arm_big_little.c
+++ b/drivers/cpufreq/arm_big_little.c
@@ -213,6 +213,7 @@ static int bL_cpufreq_set_target(struct cpufreq_policy *policy,
 {
 	u32 cpu = policy->cpu, cur_cluster, new_cluster, actual_cluster;
 	unsigned int freqs_new;
+	int ret;
 
 	cur_cluster = cpu_to_cluster(cpu);
 	new_cluster = actual_cluster = per_cpu(physical_cluster, cpu);
@@ -229,7 +230,14 @@ static int bL_cpufreq_set_target(struct cpufreq_policy *policy,
 		}
 	}
 
-	return bL_cpufreq_set_rate(cpu, actual_cluster, new_cluster, freqs_new);
+	ret = bL_cpufreq_set_rate(cpu, actual_cluster, new_cluster, freqs_new);
+
+	if (!ret) {
+		arch_set_freq_scale(policy->related_cpus, freqs_new,
+				    policy->cpuinfo.max_freq);
+	}
+
+	return ret;
 }
 
 static inline u32 get_table_count(struct cpufreq_frequency_table *table)
-- 
2.11.0

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[PATCH v4 00/10] arm, arm64, cpufreq: frequency- and cpu-invariant accounting support for task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-08-25 16:40 +0200
  [PATCH v4 06/10] drivers base/arch_topology: allow inlining cpu-invariant accounting support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-08-25 16:40 +0200
  [PATCH v4 09/10] arm64: wire frequency-invariant accounting support up to the task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-08-25 16:40 +0200
  [PATCH v4 10/10] arm64: wire cpu-invariant accounting support up to the task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-08-25 16:40 +0200
  [PATCH v4 05/10] drivers base/arch_topology: provide frequency-invariant accounting support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-08-25 16:40 +0200
  [PATCH v4 03/10] cpufreq: arm_big_little: invoke frequency-invariance setter function Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-08-25 16:40 +0200
  [PATCH v4 07/10] arm: wire frequency-invariant accounting support up to the task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-08-25 16:40 +0200
  [PATCH v4 02/10] cpufreq: provide default frequency-invariance setter function Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-08-25 16:40 +0200
    Re: [PATCH v4 02/10] cpufreq: provide default frequency-invariance setter function "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-09-08 01:40 +0200
  Re: [PATCH v4 00/10] arm, arm64, cpufreq: frequency- and cpu-invariant accounting support for task scheduler "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-08-31 01:50 +0200
    Re: [PATCH v4 00/10] arm, arm64, cpufreq: frequency- and  cpu-invariant accounting support for task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-08-31 13:30 +0200
      Re: [PATCH v4 00/10] arm, arm64, cpufreq: frequency- and  cpu-invariant accounting support for task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-09-07 14:10 +0200

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