diff options
Diffstat (limited to 'drivers/rtc/rtc-tegra.c')
-rw-r--r-- | drivers/rtc/rtc-tegra.c | 47 |
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; |