diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
index 456ae71..57f2ec7 100644
--- a/drivers/ata/pata_macio.c
+++ b/drivers/ata/pata_macio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Libata based driver for Apple "macio" family of PATA controllers
  *