Use the CPUFREQ_AUTO_REGISTER_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.kuche...@linaro.org>
---
 drivers/cpufreq/cpufreq-dt.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index e58bfcb1169e..2a4c4ea7980b 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -13,7 +13,6 @@
 
 #include <linux/clk.h>
 #include <linux/cpu.h>
-#include <linux/cpu_cooling.h>
 #include <linux/cpufreq.h>
 #include <linux/cpumask.h>
 #include <linux/err.h>
@@ -30,7 +29,6 @@
 struct private_data {
        struct opp_table *opp_table;
        struct device *cpu_dev;
-       struct thermal_cooling_device *cdev;
        const char *reg_name;
        bool have_static_opps;
 };
@@ -301,7 +299,6 @@ static int cpufreq_exit(struct cpufreq_policy *policy)
 {
        struct private_data *priv = policy->driver_data;
 
-       cpufreq_cooling_unregister(priv->cdev);
        dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table);
        if (priv->have_static_opps)
                dev_pm_opp_of_cpumask_remove_table(policy->related_cpus);
@@ -314,21 +311,14 @@ static int cpufreq_exit(struct cpufreq_policy *policy)
        return 0;
 }
 
-static void cpufreq_ready(struct cpufreq_policy *policy)
-{
-       struct private_data *priv = policy->driver_data;
-
-       priv->cdev = of_cpufreq_cooling_register(policy);
-}
-
 static struct cpufreq_driver dt_cpufreq_driver = {
-       .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
+       .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK |
+                CPUFREQ_AUTO_REGISTER_COOLING_DEV,
        .verify = cpufreq_generic_frequency_table_verify,
        .target_index = set_target,
        .get = cpufreq_generic_get,
        .init = cpufreq_init,
        .exit = cpufreq_exit,
-       .ready = cpufreq_ready,
        .name = "cpufreq-dt",
        .attr = cpufreq_dt_attr,
        .suspend = cpufreq_generic_suspend,
-- 
2.17.1

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