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-rw-r--r--drivers/spi/Makefile1
-rw-r--r--drivers/spi/spi-bcm53xx.h1
-rw-r--r--drivers/spi/spi-bitbang-txrx.h1
-rw-r--r--drivers/spi/spi-cavium.h1
-rw-r--r--drivers/spi/spi-dw.h1
5 files changed, 5 insertions, 0 deletions
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index a3ae2b70cdc3..8e0cda73b324 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for kernel SPI drivers.
#
diff --git a/drivers/spi/spi-bcm53xx.h b/drivers/spi/spi-bcm53xx.h
index 73575dfe6916..03e3442086ec 100644
--- a/drivers/spi/spi-bcm53xx.h
+++ b/drivers/spi/spi-bcm53xx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef SPI_BCM53XX_H
#define SPI_BCM53XX_H
diff --git a/drivers/spi/spi-bitbang-txrx.h b/drivers/spi/spi-bitbang-txrx.h
index 47bb9b898dfd..ae61d72c7d28 100644
--- a/drivers/spi/spi-bitbang-txrx.h
+++ b/drivers/spi/spi-bitbang-txrx.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Mix this utility code with some glue code to get one of several types of
* simple SPI master driver. Two do polled word-at-a-time I/O:
diff --git a/drivers/spi/spi-cavium.h b/drivers/spi/spi-cavium.h
index 1f91d61b745b..1f3ac463a20b 100644
--- a/drivers/spi/spi-cavium.h
+++ b/drivers/spi/spi-cavium.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __SPI_CAVIUM_H
#define __SPI_CAVIUM_H
diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h
index da5eab62df34..5c07cf8f19e0 100644
--- a/drivers/spi/spi-dw.h
+++ b/drivers/spi/spi-dw.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef DW_SPI_HEADER_H
#define DW_SPI_HEADER_H