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Commit ea714970 authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge Committed by Dave Jones
Browse files

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



Demand-load cpufreq governor modules if needed.

Signed-off-by: default avatarJeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: default avatarDave Jones <davej@redhat.com>
parent 3bcb09a3

drivers/cpufreq/cpufreq.c

+17 −0
Original line number Diff line number Diff line
@@ -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;