[CPUFREQ] allow use of the powersave governor as the default one
Allow use of the powersave cpufreq governor as the default one for EMBEDDED configs. Signed-off-by: Alessandro Guido <alessandro.guido@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dave Jones <davej@redhat.com>
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@ -69,6 +69,15 @@ config CPU_FREQ_DEFAULT_GOV_PERFORMANCE
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the frequency statically to the highest frequency supported by
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the CPU.
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config CPU_FREQ_DEFAULT_GOV_POWERSAVE
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bool "powersave"
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depends on EMBEDDED
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select CPU_FREQ_GOV_POWERSAVE
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help
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Use the CPUFreq governor 'powersave' as default. This sets
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the frequency statically to the lowest frequency supported by
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the CPU.
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config CPU_FREQ_DEFAULT_GOV_USERSPACE
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bool "userspace"
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select CPU_FREQ_GOV_USERSPACE
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@ -35,12 +35,12 @@ static int cpufreq_governor_powersave(struct cpufreq_policy *policy,
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return 0;
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}
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static struct cpufreq_governor cpufreq_gov_powersave = {
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struct cpufreq_governor cpufreq_gov_powersave = {
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.name = "powersave",
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.governor = cpufreq_governor_powersave,
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.owner = THIS_MODULE,
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};
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EXPORT_SYMBOL(cpufreq_gov_powersave);
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static int __init cpufreq_gov_powersave_init(void)
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{
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@ -58,5 +58,9 @@ MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
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MODULE_DESCRIPTION("CPUfreq policy governor 'powersave'");
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MODULE_LICENSE("GPL");
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#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
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fs_initcall(cpufreq_gov_powersave_init);
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#else
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module_init(cpufreq_gov_powersave_init);
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#endif
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module_exit(cpufreq_gov_powersave_exit);
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@ -308,6 +308,9 @@ extern struct cpufreq_governor cpufreq_gov_performance;
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#endif
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#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
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#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_performance)
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#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE)
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extern struct cpufreq_governor cpufreq_gov_powersave;
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#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_powersave)
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#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE)
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extern struct cpufreq_governor cpufreq_gov_userspace;
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#define CPUFREQ_DEFAULT_GOVERNOR (&cpufreq_gov_userspace)
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