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[CPUFREQ] [2/2] demand load governor modules.

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Demand-load cpufreq governor modules if needed.

Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Jeremy Fitzhardinge 2006-07-06 12:32:01 -07:00 committed by Dave Jones
parent 3bcb09a356
commit ea71497020
1 changed files with 17 additions and 0 deletions
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17
drivers/cpufreq/cpufreq.c
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@ -321,6 +321,23 @@ static int cpufreq_parse_governor (char *str_governor, unsigned int *policy,
t = __find_governor(str_governor);
if (t == NULL) {
char *name = kasprintf(GFP_KERNEL, "cpufreq_%s", str_governor);
if (name) {
int ret;
mutex_unlock(&cpufreq_governor_mutex);
ret = request_module(name);
mutex_lock(&cpufreq_governor_mutex);
if (ret == 0)
t = __find_governor(str_governor);
}
kfree(name);
}
if (t != NULL) {
*governor = t;
err = 0;