forked from Minki/linux
[CPUFREQ] [2/2] demand load governor modules.
Demand-load cpufreq governor modules if needed. Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Dave Jones <davej@redhat.com>
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@ -321,6 +321,23 @@ static int cpufreq_parse_governor (char *str_governor, unsigned int *policy,
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t = __find_governor(str_governor);
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t = __find_governor(str_governor);
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if (t == NULL) {
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char *name = kasprintf(GFP_KERNEL, "cpufreq_%s", str_governor);
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if (name) {
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int ret;
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mutex_unlock(&cpufreq_governor_mutex);
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ret = request_module(name);
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mutex_lock(&cpufreq_governor_mutex);
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if (ret == 0)
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t = __find_governor(str_governor);
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}
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kfree(name);
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}
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if (t != NULL) {
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if (t != NULL) {
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*governor = t;
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*governor = t;
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err = 0;
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err = 0;
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