[PATCH 2/2] cpufreq: demand load governor modules

[Jeremy Fitzhardinge]

Demand-load cpufreq governor modules if needed.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xxxxxxxx>

---
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;


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