diff options
| author | Punit Agrawal <punit.agrawal@arm.com> | 2015-11-17 12:06:22 +0000 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-04-08 11:46:23 +0800 |
| commit | 5b1a8eb56e49d9bbf9075551804432a7b3b635a7 (patch) | |
| tree | c7ee81dcafe5c26d49534fda3e16283cda270eb4 | |
| parent | 811cd7442b982402c898e6a55798cecd76be0272 (diff) | |
cpufreq-dt: Supply power coefficient when registering cooling devices
Support registering cooling devices with dynamic power coefficient
where provided by the device tree. This allows OF registered cooling
devices driver to be used with the power_allocator thermal governor.
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit f8fa8ae06b8c2c25d81c99766f9226adc5c3e073)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
| -rw-r--r-- | drivers/cpufreq/cpufreq-dt.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index 68232fef54c9..fc61cab00131 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -406,8 +406,13 @@ static void cpufreq_ready(struct cpufreq_policy *policy) * thermal DT code takes care of matching them. */ if (of_find_property(np, "#cooling-cells", NULL)) { - priv->cdev = of_cpufreq_cooling_register(np, - policy->related_cpus); + u32 power_coefficient = 0; + + of_property_read_u32(np, "dynamic-power-coefficient", + &power_coefficient); + + priv->cdev = of_cpufreq_power_cooling_register(np, + policy->related_cpus, power_coefficient, NULL); if (IS_ERR(priv->cdev)) { dev_err(priv->cpu_dev, "running cpufreq without cooling device: %ld\n", |