diff --git a/drivers/s390/char/sclp_quiesce.c b/drivers/s390/char/sclp_quiesce.c
index ffa9282ce97a..baa8fe669ed2 100644
--- a/drivers/s390/char/sclp_quiesce.c
+++ b/drivers/s390/char/sclp_quiesce.c
@@ -16,6 +16,7 @@
 #include <asm/atomic.h>
 #include <asm/ptrace.h>
 #include <asm/sigp.h>
+#include <asm/smp.h>
 
 #include "sclp.h"