public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
* [PATCH 2/2] cpufreq: demand load governor modules
@ 2006-07-06 19:32 Jeremy Fitzhardinge
  0 siblings, 0 replies; only message in thread
From: Jeremy Fitzhardinge @ 2006-07-06 19:32 UTC (permalink / raw)
  To: cpufreq, Linux Kernel Mailing List

Demand-load cpufreq governor modules if needed.

Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>

---
 drivers/cpufreq/cpufreq.c |   17 +++++++++++++++++
 1 file changed, 17 insertions(+)


diff -r 4650553b3f11 drivers/cpufreq/cpufreq.c
--- a/drivers/cpufreq/cpufreq.c	Wed Jul 05 15:21:25 2006 -0700
+++ b/drivers/cpufreq/cpufreq.c	Wed Jul 05 15:25:52 2006 -0700
@@ -320,6 +320,23 @@ static int cpufreq_parse_governor (char 
 		mutex_lock(&cpufreq_governor_mutex);
 
 		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;



^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2006-07-06 19:31 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2006-07-06 19:32 [PATCH 2/2] cpufreq: demand load governor modules Jeremy Fitzhardinge

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox