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-rw-r--r--drivers/cpuidle/cpuidle-big_little.c4
1 files changed, 4 insertions, 0 deletions
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