summaryrefslogtreecommitdiff
path: root/drivers/rtc/rtc-lpc24xx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/rtc/rtc-lpc24xx.c')
-rw-r--r--drivers/rtc/rtc-lpc24xx.c24
1 files changed, 6 insertions, 18 deletions
diff --git a/drivers/rtc/rtc-lpc24xx.c b/drivers/rtc/rtc-lpc24xx.c
index 14dc7b04fae0..2dcdc77ff646 100644
--- a/drivers/rtc/rtc-lpc24xx.c
+++ b/drivers/rtc/rtc-lpc24xx.c
@@ -1,22 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* RTC driver for NXP LPC178x/18xx/43xx Real-Time Clock (RTC)
*
* Copyright (C) 2011 NXP Semiconductors
* Copyright (C) 2015 Joachim Eastwood <manabian@gmail.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/clk.h>
#include <linux/io.h>
#include <linux/kernel.h>
+#include <linux/mod_devicetable.h>
#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/rtc.h>
@@ -199,23 +193,19 @@ static const struct rtc_class_ops lpc24xx_rtc_ops = {
static int lpc24xx_rtc_probe(struct platform_device *pdev)
{
struct lpc24xx_rtc *rtc;
- struct resource *res;
int irq, ret;
rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL);
if (!rtc)
return -ENOMEM;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- rtc->rtc_base = devm_ioremap_resource(&pdev->dev, res);
+ rtc->rtc_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(rtc->rtc_base))
return PTR_ERR(rtc->rtc_base);
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_warn(&pdev->dev, "can't get interrupt resource\n");
+ if (irq < 0)
return irq;
- }
rtc->clk_rtc = devm_clk_get(&pdev->dev, "rtc");
if (IS_ERR(rtc->clk_rtc)) {
@@ -273,7 +263,7 @@ disable_rtc_clk:
return ret;
}
-static int lpc24xx_rtc_remove(struct platform_device *pdev)
+static void lpc24xx_rtc_remove(struct platform_device *pdev)
{
struct lpc24xx_rtc *rtc = platform_get_drvdata(pdev);
@@ -285,8 +275,6 @@ static int lpc24xx_rtc_remove(struct platform_device *pdev)
clk_disable_unprepare(rtc->clk_rtc);
clk_disable_unprepare(rtc->clk_reg);
-
- return 0;
}
static const struct of_device_id lpc24xx_rtc_match[] = {
@@ -297,7 +285,7 @@ MODULE_DEVICE_TABLE(of, lpc24xx_rtc_match);
static struct platform_driver lpc24xx_rtc_driver = {
.probe = lpc24xx_rtc_probe,
- .remove = lpc24xx_rtc_remove,
+ .remove = lpc24xx_rtc_remove,
.driver = {
.name = "lpc24xx-rtc",
.of_match_table = lpc24xx_rtc_match,