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cpufreq: qoriq: Use auto-registration of thermal cooling device 

Use the CPUFREQ_IS_COOLING_DEV flag to allow cpufreq core to
automatically register as a thermal cooling device.

This allows removal of boiler plate code from the driver.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
hifive-unleashed-5.1
Amit Kucheria 2019-01-29 10:25:13 +05:30 committed by Rafael J. Wysocki
parent 0db60d6b89
commit 17170ec171
1 changed files with 2 additions and 13 deletions
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15
drivers/cpufreq/qoriq-cpufreq.c
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@ -13,7 +13,6 @@
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/cpufreq.h>
#include <linux/cpu_cooling.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/kernel.h>
@ -31,7 +30,6 @@
struct cpu_data {
struct clk **pclk;
struct cpufreq_frequency_table *table;
struct thermal_cooling_device *cdev;
};
/*
@ -239,7 +237,6 @@ static int qoriq_cpufreq_cpu_exit(struct cpufreq_policy *policy)
{
struct cpu_data *data = policy->driver_data;
cpufreq_cooling_unregister(data->cdev);
kfree(data->pclk);
kfree(data->table);
kfree(data);
@ -258,23 +255,15 @@ static int qoriq_cpufreq_target(struct cpufreq_policy *policy,
return clk_set_parent(policy->clk, parent);
}
static void qoriq_cpufreq_ready(struct cpufreq_policy *policy)
{
struct cpu_data *cpud = policy->driver_data;
cpud->cdev = of_cpufreq_cooling_register(policy);
}
static struct cpufreq_driver qoriq_cpufreq_driver = {
.name = "qoriq_cpufreq",
.flags = CPUFREQ_CONST_LOOPS,
.flags = CPUFREQ_CONST_LOOPS |
CPUFREQ_IS_COOLING_DEV,
.init = qoriq_cpufreq_cpu_init,
.exit = qoriq_cpufreq_cpu_exit,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = qoriq_cpufreq_target,
.get = cpufreq_generic_get,
.ready = qoriq_cpufreq_ready,
.attr = cpufreq_generic_attr,
};