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cpufreq: ACPI / CPPC: Add module support for cppc_cpufreq driver

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Add a function to cleanup at module exit and export
appropriate GPL string to enable moduler support
for the cppc_cpufreq driver.

Reported-by: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Signed-off-by: Ashwin Chaugule <ashwin.chaugule@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Ashwin Chaugule 2016-04-14 20:45:53 -04:00 committed by Rafael J. Wysocki
parent bdcaa23fb8
commit a29a1e7678
1 changed files with 21 additions and 0 deletions
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21
drivers/cpufreq/cppc_cpufreq.c
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@ -173,4 +173,25 @@ static int __init cppc_cpufreq_init(void)
return -ENODEV; return -ENODEV;
} }
static void __exit cppc_cpufreq_exit(void)
{
struct cpudata *cpu;
int i;
cpufreq_unregister_driver(&cppc_cpufreq_driver);
for_each_possible_cpu(i) {
cpu = all_cpu_data[i];
free_cpumask_var(cpu->shared_cpu_map);
kfree(cpu);
}
kfree(all_cpu_data);
}
module_exit(cppc_cpufreq_exit);
MODULE_AUTHOR("Ashwin Chaugule");
MODULE_DESCRIPTION("CPUFreq driver based on the ACPI CPPC v5.0+ spec");
MODULE_LICENSE("GPL");
late_initcall(cppc_cpufreq_init); late_initcall(cppc_cpufreq_init);