diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 29f35e29d4801f83aa74b0a590bdb4412a9caa7c..fdb3b133e5e042509e86de76be96723e7faf5346 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  *		    Horst Hummel <Horst.Hummel@de.ibm.com>
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index c95a4784c1911ef1540450f9fc6c2ffee97fcee5..e7cd28ff1984460540f70fd203326b08f2d5c8f9 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  *		    Horst Hummel <Horst.Hummel@de.ibm.com>
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 98fb28e49d2c0605c5ea3e2062d4ad790788d504..f035c2f25d35a8c5aa12cb0552aaf3484edb2798 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  * Based on.......: linux/drivers/s390/block/mdisk.c
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 8eafcd5fa0049ed9d3384aa6a8999fcec4b61ba2..1a41ef49633875a08ba2021ffa729a39881ec102 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  *		    Horst Hummel <Horst.Hummel@de.ibm.com>
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index 6168ccdb389c37bb686196f49d68f0780b8fd010..a6b132f7e869eb4eb804b3fa8407cd064c92b699 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
  * Bugreports.to..: <Linux390@de.ibm.com>
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 7abb240847c07dd0b24f3f2e7f03d221a1416f5f..6aaefb78043696e658e36b6637b4e6dde59b5c83 100644
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * dcssblk.c -- the S/390 block driver for dcss memory
  *
diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c
index eb51893c74a4ba4053fe8d15e064fbf42bed9845..b4130c7880d874862f14eeb381f36c472b231a0d 100644
--- a/drivers/s390/block/scm_blk.c
+++ b/drivers/s390/block/scm_blk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Block driver for s390 storage class memory.
  *
diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c
index 571a0709e1e5b98ba14708d13e9f944e5ad85a6a..2a6334ca750efdf68f818df0af4b08ac66b8df78 100644
--- a/drivers/s390/block/xpram.c
+++ b/drivers/s390/block/xpram.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Xpram.c -- the S/390 expanded memory RAM-disk
  *