1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h
index bb4ff537729d..3b52f5c1dbef 100644
--- a/drivers/s390/char/tape.h
+++ b/drivers/s390/char/tape.h
@@ -103,6 +103,7 @@ enum tape_op {
         TO_CRYPT_OFF,   /* Disable encrpytion */
         TO_KEKL_SET,    /* Set KEK label */
         TO_KEKL_QUERY,  /* Query KEK label */
+        TO_RDC,         /* Read device characteristics */
         TO_SIZE,        /* #entries in tape_op_t */
 };