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cpu_cooling: Make of_cpufreq_power_cooling_register() parse DT

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All the callers of of_cpufreq_power_cooling_register() have almost
identical code and it makes more sense to move that code into the helper
as its all about reading DT properties.

This got rid of lot of redundant code.

Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar
2017-12-05 11:02:43 +05:30
committed by Rafael J. Wysocki
parent ae64f9bd1d
commit f5f263fed6
7 changed files with 41 additions and 116 deletions
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27
drivers/cpufreq/cpufreq-dt.c
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@@ -319,33 +319,8 @@ static int cpufreq_exit(struct cpufreq_policy *policy)
static void cpufreq_ready(struct cpufreq_policy *policy)
{
struct private_data *priv = policy->driver_data;
struct device_node *np = of_node_get(priv->cpu_dev->of_node);
if (WARN_ON(!np))
return;
/*
* For now, just loading the cooling device;
* thermal DT code takes care of matching them.
*/
if (of_find_property(np, "#cooling-cells", NULL)) {
u32 power_coefficient = 0;
of_property_read_u32(np, "dynamic-power-coefficient",
&power_coefficient);
priv->cdev = of_cpufreq_power_cooling_register(np,
policy, power_coefficient, NULL);
if (IS_ERR(priv->cdev)) {
dev_err(priv->cpu_dev,
"running cpufreq without cooling device: %ld\n",
PTR_ERR(priv->cdev));
priv->cdev = NULL;
}
}
of_node_put(np);
priv->cdev = of_cpufreq_power_cooling_register(policy);
}
static struct cpufreq_driver dt_cpufreq_driver = {