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path: root/drivers/cpufreq/cpufreq-dt.c
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Diffstat (limited to 'drivers/cpufreq/cpufreq-dt.c')
-rw-r--r--drivers/cpufreq/cpufreq-dt.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index 90d64081ddb3..9bc37c437874 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -50,7 +50,8 @@ static int set_target(struct cpufreq_policy *policy, unsigned int index)
struct private_data *priv = policy->driver_data;
struct device *cpu_dev = priv->cpu_dev;
struct regulator *cpu_reg = priv->cpu_reg;
- unsigned long volt = 0, volt_old = 0, tol = 0;
+ unsigned long volt = 0, tol = 0;
+ int volt_old = 0;
unsigned int old_freq, new_freq;
long freq_Hz, freq_exact;
int ret;
@@ -83,7 +84,7 @@ static int set_target(struct cpufreq_policy *policy, unsigned int index)
opp_freq / 1000, volt);
}
- dev_dbg(cpu_dev, "%u MHz, %ld mV --> %u MHz, %ld mV\n",
+ dev_dbg(cpu_dev, "%u MHz, %d mV --> %u MHz, %ld mV\n",
old_freq / 1000, (volt_old > 0) ? volt_old / 1000 : -1,
new_freq / 1000, volt ? volt / 1000 : -1);
@@ -407,8 +408,13 @@ 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",