6 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/c67x00/c67x00-drv.c b/drivers/usb/c67x00/c67x00-drv.c
index 5796c88..3e4b46f 100644
--- a/drivers/usb/c67x00/c67x00-drv.c
+++ b/drivers/usb/c67x00/c67x00-drv.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * c67x00-drv.c: Cypress C67X00 USB Common infrastructure
  *
diff --git a/drivers/usb/c67x00/c67x00-hcd.c b/drivers/usb/c67x00/c67x00-hcd.c
index 30d3f34..705c40a 100644
--- a/drivers/usb/c67x00/c67x00-hcd.c
+++ b/drivers/usb/c67x00/c67x00-hcd.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * c67x00-hcd.c: Cypress C67X00 USB Host Controller Driver
  *
diff --git a/drivers/usb/c67x00/c67x00-hcd.h b/drivers/usb/c67x00/c67x00-hcd.h
index cf8a455..05ab1ba 100644
--- a/drivers/usb/c67x00/c67x00-hcd.h
+++ b/drivers/usb/c67x00/c67x00-hcd.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * c67x00-hcd.h: Cypress C67X00 USB HCD
  *
diff --git a/drivers/usb/c67x00/c67x00-ll-hpi.c b/drivers/usb/c67x00/c67x00-ll-hpi.c
index b581518..285f40a 100644
--- a/drivers/usb/c67x00/c67x00-ll-hpi.c
+++ b/drivers/usb/c67x00/c67x00-ll-hpi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * c67x00-ll-hpi.c: Cypress C67X00 USB Low level interface using HPI
  *
diff --git a/drivers/usb/c67x00/c67x00-sched.c b/drivers/usb/c67x00/c67x00-sched.c
index 0b68cd6..233a8be 100644
--- a/drivers/usb/c67x00/c67x00-sched.c
+++ b/drivers/usb/c67x00/c67x00-sched.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * c67x00-sched.c: Cypress C67X00 USB Host Controller Driver - TD scheduling
  *
diff --git a/drivers/usb/c67x00/c67x00.h b/drivers/usb/c67x00/c67x00.h
index a26e9de..31339d7 100644
--- a/drivers/usb/c67x00/c67x00.h
+++ b/drivers/usb/c67x00/c67x00.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * c67x00.h: Cypress C67X00 USB register and field definitions
  *