cpuidle: create bootparam "cpuidle.off=1"

[deliverable/linux.git] / drivers / cpuidle / governor.c

diff --git a/drivers/cpuidle/governor.c b/drivers/cpuidle/governor.c
index 724c164d31c9a47ece237894888244cb4ec0e4b1..ea2f8e7aa24af2936e4b0766f70e36eac2941eea 100644 (file)
--- a/drivers/cpuidle/governor.c
+++ b/drivers/cpuidle/governor.c
@@ -81,6 +81,9 @@ int cpuidle_register_governor(struct cpuidle_governor *gov)
        if (!gov || !gov->select)
                return -EINVAL;
 
+       if (cpuidle_disabled())
+               return -ENODEV;
+
        mutex_lock(&cpuidle_lock);
        if (__cpuidle_find_governor(gov->name) == NULL) {
                ret = 0;