From ea71497020c55cd39221e0abad5c1752ac6e3f47 Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Thu, 6 Jul 2006 12:32:01 -0700 Subject: [CPUFREQ] [2/2] demand load governor modules. Demand-load cpufreq governor modules if needed. Signed-off-by: Jeremy Fitzhardinge Signed-off-by: Dave Jones --- drivers/cpufreq/cpufreq.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'drivers/cpufreq/cpufreq.c') diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 9b416372a8e4..b3df613ae4ec 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -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; -- cgit v1.2.3