1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index 5cc11c636d38..28b5afc129c3 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -84,6 +84,7 @@ static void __init sclp_read_info_early(void)
                 do {
                         memset(sccb, 0, sizeof(*sccb));
                         sccb->header.length = sizeof(*sccb);
+                        sccb->header.function_code = 0x80;
                         sccb->header.control_mask[2] = 0x80;
                         rc = sclp_cmd_sync_early(commands[i], sccb);
                 } while (rc == -EBUSY);