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path: root/drivers/rtc/rtc-omap.c
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Diffstat (limited to 'drivers/rtc/rtc-omap.c')
-rw-r--r--drivers/rtc/rtc-omap.c32
1 files changed, 9 insertions, 23 deletions
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index bbff0e2deb84..32994b0dd139 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* TI OMAP Real Time Clock interface for Linux
*
@@ -6,11 +7,6 @@
*
* Copyright (C) 2006 David Brownell (new RTC framework)
* Copyright (C) 2014 Johan Hovold <johan@kernel.org>
- *
- * 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 <dt-bindings/gpio/gpio.h>
@@ -271,7 +267,7 @@ static int omap_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
}
/* this hardware doesn't support "don't care" alarm fields */
-static int tm2bcd(struct rtc_time *tm)
+static void tm2bcd(struct rtc_time *tm)
{
tm->tm_sec = bin2bcd(tm->tm_sec);
tm->tm_min = bin2bcd(tm->tm_min);
@@ -279,13 +275,7 @@ static int tm2bcd(struct rtc_time *tm)
tm->tm_mday = bin2bcd(tm->tm_mday);
tm->tm_mon = bin2bcd(tm->tm_mon + 1);
-
- /* epoch == 1900 */
- if (tm->tm_year < 100 || tm->tm_year > 199)
- return -EINVAL;
tm->tm_year = bin2bcd(tm->tm_year - 100);
-
- return 0;
}
static void bcd2tm(struct rtc_time *tm)
@@ -328,8 +318,7 @@ static int omap_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
struct omap_rtc *rtc = dev_get_drvdata(dev);
- if (tm2bcd(tm) < 0)
- return -EINVAL;
+ tm2bcd(tm);
local_irq_disable();
rtc_wait_not_busy(rtc);
@@ -378,8 +367,7 @@ static int omap_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
struct omap_rtc *rtc = dev_get_drvdata(dev);
u8 reg, irqwake_reg = 0;
- if (tm2bcd(&alm->time) < 0)
- return -EINVAL;
+ tm2bcd(&alm->time);
local_irq_disable();
rtc_wait_not_busy(rtc);
@@ -441,14 +429,10 @@ again:
omap_rtc_read_time_raw(rtc, &tm);
seconds = tm.tm_sec;
bcd2tm(&tm);
- rtc_tm_to_time(&tm, &now);
- rtc_time_to_tm(now + 1, &tm);
+ now = rtc_tm_to_time64(&tm);
+ rtc_time64_to_tm(now + 1, &tm);
- if (tm2bcd(&tm) < 0) {
- dev_err(&rtc->rtc->dev, "power off failed\n");
- rtc->type->lock(rtc);
- return;
- }
+ tm2bcd(&tm);
rtc_wait_not_busy(rtc);
@@ -845,6 +829,8 @@ static int omap_rtc_probe(struct platform_device *pdev)
}
rtc->rtc->ops = &omap_rtc_ops;
+ rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
+ rtc->rtc->range_max = RTC_TIMESTAMP_END_2099;
omap_rtc_nvmem_config.priv = rtc;
/* handle periodic and alarm irqs */