diff options
Diffstat (limited to 'drivers/mfd/wm831x-otp.c')
| -rw-r--r-- | drivers/mfd/wm831x-otp.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/mfd/wm831x-otp.c b/drivers/mfd/wm831x-otp.c index ebac0027f8e0..25f5d9fe33a1 100644 --- a/drivers/mfd/wm831x-otp.c +++ b/drivers/mfd/wm831x-otp.c @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * wm831x-otp.c -- OTP for Wolfson WM831x PMICs * * Copyright 2009 Wolfson Microelectronics PLC. * * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include <linux/kernel.h> @@ -43,8 +38,8 @@ static int wm831x_unique_id_read(struct wm831x *wm831x, char *id) return 0; } -static ssize_t wm831x_unique_id_show(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t unique_id_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct wm831x *wm831x = dev_get_drvdata(dev); int rval; @@ -57,7 +52,7 @@ static ssize_t wm831x_unique_id_show(struct device *dev, return sprintf(buf, "%*phN\n", WM831X_UNIQUE_ID_LEN, id); } -static DEVICE_ATTR(unique_id, 0444, wm831x_unique_id_show, NULL); +static DEVICE_ATTR_RO(unique_id); int wm831x_otp_init(struct wm831x *wm831x) { |