cpufreq: remove unicore32 driver

obj-$(CONFIG_SH_CPU_FREQ)		+= sh-cpufreq.o

obj-$(CONFIG_SPARC_US2E_CPUFREQ)	+= sparc-us2e-cpufreq.o

obj-$(CONFIG_SPARC_US3_CPUFREQ)		+= sparc-us3-cpufreq.o

obj-$(CONFIG_UNICORE32)			+= unicore2-cpufreq.o

// SPDX-License-Identifier: GPL-2.0-only

/*

 * clock scaling for the UniCore-II

 *

 * Code specific to PKUnity SoC and UniCore ISA

 *

 *	Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn>

 *	Copyright (C) 2001-2010 Guan Xuetao

 */

#include <linux/err.h>

#include <linux/kernel.h>

#include <linux/types.h>

#include <linux/init.h>

#include <linux/clk.h>

#include <linux/cpufreq.h>

#include <mach/hardware.h>

static struct cpufreq_driver ucv2_driver;

/* make sure that only the "userspace" governor is run

 * -- anything else wouldn't make sense on this platform, anyway.

 */

static int ucv2_verify_speed(struct cpufreq_policy_data *policy)

{

	if (policy->cpu)

		return -EINVAL;

	cpufreq_verify_within_cpu_limits(policy);

	return 0;

}

static int ucv2_target(struct cpufreq_policy *policy,

			 unsigned int target_freq,

			 unsigned int relation)

{

	struct cpufreq_freqs freqs;

	int ret;

	freqs.old = policy->cur;

	freqs.new = target_freq;

	cpufreq_freq_transition_begin(policy, &freqs);

	ret = clk_set_rate(policy->clk, target_freq * 1000);

	cpufreq_freq_transition_end(policy, &freqs, ret);

	return ret;

}

static int __init ucv2_cpu_init(struct cpufreq_policy *policy)

{

	if (policy->cpu != 0)

		return -EINVAL;

	policy->min = policy->cpuinfo.min_freq = 250000;

	policy->max = policy->cpuinfo.max_freq = 1000000;

	policy->clk = clk_get(NULL, "MAIN_CLK");

	return PTR_ERR_OR_ZERO(policy->clk);

}

static struct cpufreq_driver ucv2_driver = {

	.flags		= CPUFREQ_STICKY | CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING,

	.verify		= ucv2_verify_speed,

	.target		= ucv2_target,

	.get		= cpufreq_generic_get,

	.init		= ucv2_cpu_init,

	.name		= "UniCore-II",

};

static int __init ucv2_cpufreq_init(void)

{

	return cpufreq_register_driver(&ucv2_driver);

}

arch_initcall(ucv2_cpufreq_init);