cpufreq: imx6q: Use auto-registration of thermal cooling device

#include <linux/clk.h>

#include <linux/cpu.h>

#include <linux/cpufreq.h>

#include <linux/cpu_cooling.h>

#include <linux/err.h>

#include <linux/module.h>

#include <linux/nvmem-consumer.h>

};

static struct device *cpu_dev;

static struct thermal_cooling_device *cdev;

static bool free_opp;

static struct cpufreq_frequency_table *freq_table;

static unsigned int max_freq;

	return 0;

}

static void imx6q_cpufreq_ready(struct cpufreq_policy *policy)

{

	cdev = of_cpufreq_cooling_register(policy);

	if (!cdev)

		dev_err(cpu_dev,

			"running cpufreq without cooling device: %ld\n",

			PTR_ERR(cdev));

}

static int imx6q_cpufreq_init(struct cpufreq_policy *policy)

{

	int ret;

	return ret;

}

static int imx6q_cpufreq_exit(struct cpufreq_policy *policy)

{

	cpufreq_cooling_unregister(cdev);

	return 0;

}

static struct cpufreq_driver imx6q_cpufreq_driver = {

	.flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK,

	.flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK |

		 CPUFREQ_IS_COOLING_DEV,

	.verify = cpufreq_generic_frequency_table_verify,

	.target_index = imx6q_set_target,

	.get = cpufreq_generic_get,

	.init = imx6q_cpufreq_init,

	.exit = imx6q_cpufreq_exit,

	.name = "imx6q-cpufreq",

	.ready = imx6q_cpufreq_ready,

	.attr = cpufreq_generic_attr,

	.suspend = cpufreq_generic_suspend,

};