X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=drivers%2Fcpuidle%2Fcpuidle-big_little.c;h=40c34faffe594951c7e6aea92f730fbfd201c71f;hb=c3a416a669eb83cfa9ccb52db030e72d654bd105;hp=e3e225fe6b45ed33418b0bd1357eb257e487ba70;hpb=b3890e4704594fa23abe1395d1fafc97d3214be8;p=linux-2.6-microblaze.git

diff --git a/drivers/cpuidle/cpuidle-big_little.c b/drivers/cpuidle/cpuidle-big_little.c
index e3e225fe6b45..40c34faffe59 100644
--- a/drivers/cpuidle/cpuidle-big_little.c
+++ b/drivers/cpuidle/cpuidle-big_little.c
@@ -182,6 +182,10 @@ static int __init bl_idle_init(void)
 	 */
 	if (!of_match_node(compatible_machine_match, root))
 		return -ENODEV;
+
+	if (!mcpm_is_available())
+		return -EUNATCH;
+
 	/*
 	 * For now the differentiation between little and big cores
 	 * is based on the part number. A7 cores are considered little