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path: root/drivers/rtc/rtc-tegra.c
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Diffstat (limited to 'drivers/rtc/rtc-tegra.c')
-rw-r--r--drivers/rtc/rtc-tegra.c47
1 files changed, 19 insertions, 28 deletions
diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c
index c6b0a99aa3a9..f0ce76865434 100644
--- a/drivers/rtc/rtc-tegra.c
+++ b/drivers/rtc/rtc-tegra.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* An RTC driver for the NVIDIA Tegra 200 series internal RTC.
*
* Copyright (c) 2010, NVIDIA Corporation.
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <linux/clk.h>
@@ -123,7 +110,7 @@ static int tegra_rtc_read_time(struct device *dev, struct rtc_time *tm)
spin_unlock_irqrestore(&info->tegra_rtc_lock, sl_irq_flags);
- rtc_time_to_tm(sec, tm);
+ rtc_time64_to_tm(sec, tm);
dev_vdbg(dev, "time read as %lu. %ptR\n", sec, tm);
@@ -137,7 +124,7 @@ static int tegra_rtc_set_time(struct device *dev, struct rtc_time *tm)
int ret;
/* convert tm to seconds. */
- rtc_tm_to_time(tm, &sec);
+ sec = rtc_tm_to_time64(tm);
dev_vdbg(dev, "time set to %lu. %ptR\n", sec, tm);
@@ -166,7 +153,7 @@ static int tegra_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
} else {
/* alarm is enabled. */
alarm->enabled = 1;
- rtc_time_to_tm(sec, &alarm->time);
+ rtc_time64_to_tm(sec, &alarm->time);
}
tmp = readl(info->rtc_base + TEGRA_RTC_REG_INTR_STATUS);
@@ -204,7 +191,7 @@ static int tegra_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
unsigned long sec;
if (alarm->enabled)
- rtc_tm_to_time(&alarm->time, &sec);
+ sec = rtc_tm_to_time64(&alarm->time);
else
sec = 0;
@@ -306,6 +293,13 @@ static int __init tegra_rtc_probe(struct platform_device *pdev)
info->tegra_rtc_irq = ret;
+ info->rtc_dev = devm_rtc_allocate_device(&pdev->dev);
+ if (IS_ERR(info->rtc_dev))
+ return PTR_ERR(info->rtc_dev);
+
+ info->rtc_dev->ops = &tegra_rtc_ops;
+ info->rtc_dev->range_max = U32_MAX;
+
info->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(info->clk))
return PTR_ERR(info->clk);
@@ -327,16 +321,6 @@ static int __init tegra_rtc_probe(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 1);
- info->rtc_dev = devm_rtc_device_register(&pdev->dev,
- dev_name(&pdev->dev), &tegra_rtc_ops,
- THIS_MODULE);
- if (IS_ERR(info->rtc_dev)) {
- ret = PTR_ERR(info->rtc_dev);
- dev_err(&pdev->dev, "Unable to register device (err=%d).\n",
- ret);
- goto disable_clk;
- }
-
ret = devm_request_irq(&pdev->dev, info->tegra_rtc_irq,
tegra_rtc_irq_handler, IRQF_TRIGGER_HIGH,
dev_name(&pdev->dev), &pdev->dev);
@@ -347,6 +331,13 @@ static int __init tegra_rtc_probe(struct platform_device *pdev)
goto disable_clk;
}
+ ret = rtc_register_device(info->rtc_dev);
+ if (ret) {
+ dev_err(&pdev->dev, "Unable to register device (err=%d).\n",
+ ret);
+ goto disable_clk;
+ }
+
dev_notice(&pdev->dev, "Tegra internal Real Time Clock\n");
return 0;