1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/s390/char/sclp_sdias.c b/drivers/s390/char/sclp_sdias.c
index 69e6c50d4cfb..50f7115990ff 100644
--- a/drivers/s390/char/sclp_sdias.c
+++ b/drivers/s390/char/sclp_sdias.c
@@ -211,7 +211,7 @@ int sclp_sdias_copy(void *dest, int start_blk, int nr_blks)
         sccb.evbuf.event_qual = EQ_STORE_DATA;
         sccb.evbuf.data_id = DI_FCP_DUMP;
         sccb.evbuf.event_id = 4712;
-#ifdef __s390x__
+#ifdef CONFIG_64BIT
         sccb.evbuf.asa_size = ASA_SIZE_64;
 #else
         sccb.evbuf.asa_size = ASA_SIZE_32;