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-rw-r--r--drivers/bus/mvebu-mbus.c5
-rw-r--r--drivers/bus/sunxi-rsb.c6
-rw-r--r--drivers/bus/tegra-gmi.c5
-rw-r--r--drivers/bus/ts-nbus.c5
4 files changed, 4 insertions, 17 deletions
diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
index db612045616f..a6ec0566db12 100644
--- a/drivers/bus/mvebu-mbus.c
+++ b/drivers/bus/mvebu-mbus.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Address map functions for Marvell EBU SoCs (Kirkwood, Armada
* 370/XP, Dove, Orion5x and MV78xx0)
*
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- *
* The Marvell EBU SoCs have a configurable physical address space:
* the physical address at which certain devices (PCIe, NOR, NAND,
* etc.) sit can be configured. The configuration takes place through
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 60b082fe2ed0..4cd2e127946e 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* RSB (Reduced Serial Bus) driver.
*
* Author: Chen-Yu Tsai <wens@csie.org>
*
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
- *
* The RSB controller looks like an SMBus controller which only supports
* byte and word data transfers. But, it differs from standard SMBus
* protocol on several aspects:
@@ -31,7 +28,6 @@
* This document is officially released by Allwinner.
*
* This driver is based on i2c-sun6i-p2wi.c, the P2WI bus driver.
- *
*/
#include <linux/clk.h>
diff --git a/drivers/bus/tegra-gmi.c b/drivers/bus/tegra-gmi.c
index 35b59f92fa66..662266719682 100644
--- a/drivers/bus/tegra-gmi.c
+++ b/drivers/bus/tegra-gmi.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Driver for NVIDIA Generic Memory Interface
*
* Copyright (C) 2016 Host Mobility AB. All rights reserved.
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
#include <linux/clk.h>
diff --git a/drivers/bus/ts-nbus.c b/drivers/bus/ts-nbus.c
index 9989ce904a37..38c886dc2ed6 100644
--- a/drivers/bus/ts-nbus.c
+++ b/drivers/bus/ts-nbus.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* NBUS driver for TS-4600 based boards
*
* Copyright (c) 2016 - Savoir-faire Linux
* Author: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com>
*
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- *
* This driver implements a GPIOs bit-banged bus, called the NBUS by Technologic
* Systems. It is used to communicate with the peripherals in the FPGA on the
* TS-4600 SoM.