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

#include <linux/clk.h>

#include <linux/cpu.h>

#include <linux/cpu_cooling.h>

#include <linux/cpufreq.h>

#include <linux/cpumask.h>

#include <linux/module.h>

	struct regulator *sram_reg;

	struct clk *cpu_clk;

	struct clk *inter_clk;

	struct thermal_cooling_device *cdev;

	struct list_head list_head;

	int intermediate_voltage;

	bool need_voltage_tracking;

#define DYNAMIC_POWER "dynamic-power-coefficient"

static void mtk_cpufreq_ready(struct cpufreq_policy *policy)

{

	struct mtk_cpu_dvfs_info *info = policy->driver_data;

	info->cdev = of_cpufreq_cooling_register(policy);

}

static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu)

{

	struct device *cpu_dev;

{

	struct mtk_cpu_dvfs_info *info = policy->driver_data;

	cpufreq_cooling_unregister(info->cdev);

	dev_pm_opp_free_cpufreq_table(info->cpu_dev, &policy->freq_table);

	return 0;

static struct cpufreq_driver mtk_cpufreq_driver = {

	.flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK |

		 CPUFREQ_HAVE_GOVERNOR_PER_POLICY,

		 CPUFREQ_HAVE_GOVERNOR_PER_POLICY |

		 CPUFREQ_IS_COOLING_DEV,

	.verify = cpufreq_generic_frequency_table_verify,

	.target_index = mtk_cpufreq_set_target,

	.get = cpufreq_generic_get,

	.init = mtk_cpufreq_init,

	.exit = mtk_cpufreq_exit,

	.ready = mtk_cpufreq_ready,

	.name = "mtk-cpufreq",

	.attr = cpufreq_generic_attr,

};