[PATCH v2 02/10] 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
Acked-by: Viresh Kumar
Cc: Eduardo Valentin
---
drivers/cpufreq/cpufreq-dt.c | 9 +++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index 528a82bf..1d1f61a 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -344,8 +344,13 @@ 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",
+_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",
--
2.1.4
--
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[PATCH v2 02/10] 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.agra...@arm.com
Acked-by: Viresh Kumar viresh.ku...@linaro.org
Cc: Eduardo Valentin edubez...@gmail.com
---
drivers/cpufreq/cpufreq-dt.c | 9 +++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index 528a82bf..1d1f61a 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -344,8 +344,13 @@ 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,
--
2.1.4
--
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