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path: root/drivers/rtc/rtc-mv.c
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Diffstat (limited to 'drivers/rtc/rtc-mv.c')
-rw-r--r--drivers/rtc/rtc-mv.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/rtc/rtc-mv.c b/drivers/rtc/rtc-mv.c
index e7f14bd12fe3..ab9db57a6834 100644
--- a/drivers/rtc/rtc-mv.c
+++ b/drivers/rtc/rtc-mv.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Driver for the RTC in Marvell SoCs.
- *
- * 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/init.h>
@@ -60,7 +57,7 @@ static int mv_rtc_set_time(struct device *dev, struct rtc_time *tm)
rtc_reg = (bin2bcd(tm->tm_mday) << RTC_MDAY_OFFS) |
(bin2bcd(tm->tm_mon + 1) << RTC_MONTH_OFFS) |
- (bin2bcd(tm->tm_year % 100) << RTC_YEAR_OFFS);
+ (bin2bcd(tm->tm_year - 100) << RTC_YEAR_OFFS);
writel(rtc_reg, ioaddr + RTC_DATE_REG_OFFS);
return 0;
@@ -159,7 +156,7 @@ static int mv_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
<< RTC_MONTH_OFFS;
if (alm->time.tm_year >= 0)
- rtc_reg |= (RTC_ALARM_VALID | bin2bcd(alm->time.tm_year % 100))
+ rtc_reg |= (RTC_ALARM_VALID | bin2bcd(alm->time.tm_year - 100))
<< RTC_YEAR_OFFS;
writel(rtc_reg, ioaddr + RTC_ALARM_DATE_REG_OFFS);
@@ -257,15 +254,7 @@ static int __init mv_rtc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, pdata);
- if (pdata->irq >= 0) {
- device_init_wakeup(&pdev->dev, 1);
- pdata->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
- &mv_rtc_alarm_ops,
- THIS_MODULE);
- } else {
- pdata->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
- &mv_rtc_ops, THIS_MODULE);
- }
+ pdata->rtc = devm_rtc_allocate_device(&pdev->dev);
if (IS_ERR(pdata->rtc)) {
ret = PTR_ERR(pdata->rtc);
goto out;
@@ -281,7 +270,19 @@ static int __init mv_rtc_probe(struct platform_device *pdev)
}
}
- return 0;
+ if (pdata->irq >= 0) {
+ device_init_wakeup(&pdev->dev, 1);
+ pdata->rtc->ops = &mv_rtc_alarm_ops;
+ } else {
+ pdata->rtc->ops = &mv_rtc_ops;
+ }
+
+ pdata->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
+ pdata->rtc->range_max = RTC_TIMESTAMP_END_2099;
+
+ ret = rtc_register_device(pdata->rtc);
+ if (!ret)
+ return 0;
out:
if (!IS_ERR(pdata->clk))
clk_disable_unprepare(pdata->clk);