dummy-cpufreq.c
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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2019 Google, Inc.
*/
#include <linux/cpufreq.h>
#include <linux/module.h>
static struct cpufreq_frequency_table freq_table[] = {
{ .frequency = 1 },
{ .frequency = 2 },
{ .frequency = CPUFREQ_TABLE_END },
};
static int dummy_cpufreq_target_index(struct cpufreq_policy *policy,
unsigned int index)
{
return 0;
}
static int dummy_cpufreq_driver_init(struct cpufreq_policy *policy)
{
policy->freq_table = freq_table;
return 0;
}
static unsigned int dummy_cpufreq_get(unsigned int cpu)
{
return 1;
}
static int dummy_cpufreq_verify(struct cpufreq_policy_data *data)
{
return 0;
}
static struct cpufreq_driver dummy_cpufreq_driver = {
.name = "dummy",
.target_index = dummy_cpufreq_target_index,
.init = dummy_cpufreq_driver_init,
.get = dummy_cpufreq_get,
.verify = dummy_cpufreq_verify,
.attr = cpufreq_generic_attr,
};
static int __init dummy_cpufreq_init(void)
{
return cpufreq_register_driver(&dummy_cpufreq_driver);
}
static void __exit dummy_cpufreq_exit(void)
{
cpufreq_unregister_driver(&dummy_cpufreq_driver);
}
module_init(dummy_cpufreq_init);
module_exit(dummy_cpufreq_exit);
MODULE_AUTHOR("Connor O'Brien <connoro@google.com>");
MODULE_DESCRIPTION("dummy cpufreq driver");
MODULE_LICENSE("GPL");