diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index f85e107895da..88f4c215caa6 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Block driver for media (i.e., flash cards)
  *