diff options
Diffstat (limited to 'drivers/rtc/rtc-cpcap.c')
| -rw-r--r-- | drivers/rtc/rtc-cpcap.c | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/drivers/rtc/rtc-cpcap.c b/drivers/rtc/rtc-cpcap.c index 3a0333e1f21a..c170345ac076 100644 --- a/drivers/rtc/rtc-cpcap.c +++ b/drivers/rtc/rtc-cpcap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Motorola CPCAP PMIC RTC driver * @@ -12,18 +13,10 @@ * - remove custom "secure clock daemon" helpers * * Copyright (C) 2017 Sebastian Reichel <sre@kernel.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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. */ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/mod_devicetable.h> #include <linux/init.h> #include <linux/device.h> #include <linux/platform_device.h> @@ -63,14 +56,14 @@ static void cpcap2rtc_time(struct rtc_time *rtc, struct cpcap_time *cpcap) tod = (cpcap->tod1 & TOD1_MASK) | ((cpcap->tod2 & TOD2_MASK) << 8); time = tod + ((cpcap->day & DAY_MASK) * SECS_PER_DAY); - rtc_time_to_tm(time, rtc); + rtc_time64_to_tm(time, rtc); } static void rtc2cpcap_time(struct cpcap_time *cpcap, struct rtc_time *rtc) { unsigned long time; - rtc_tm_to_time(rtc, &time); + time = rtc_tm_to_time64(rtc); cpcap->day = time / SECS_PER_DAY; time %= SECS_PER_DAY; @@ -119,7 +112,7 @@ static int cpcap_rtc_read_time(struct device *dev, struct rtc_time *tm) cpcap2rtc_time(tm, &cpcap_tm); - return rtc_valid_tm(tm); + return 0; } static int cpcap_rtc_set_time(struct device *dev, struct rtc_time *tm) @@ -263,19 +256,21 @@ static int cpcap_rtc_probe(struct platform_device *pdev) return -ENODEV; platform_set_drvdata(pdev, rtc); - rtc->rtc_dev = devm_rtc_device_register(dev, "cpcap_rtc", - &cpcap_rtc_ops, THIS_MODULE); - + rtc->rtc_dev = devm_rtc_allocate_device(dev); if (IS_ERR(rtc->rtc_dev)) return PTR_ERR(rtc->rtc_dev); + rtc->rtc_dev->ops = &cpcap_rtc_ops; + rtc->rtc_dev->range_max = (timeu64_t) (DAY_MASK + 1) * SECS_PER_DAY - 1; + err = cpcap_get_vendor(dev, rtc->regmap, &rtc->vendor); if (err) return err; rtc->alarm_irq = platform_get_irq(pdev, 0); err = devm_request_threaded_irq(dev, rtc->alarm_irq, NULL, - cpcap_rtc_alarm_irq, IRQF_TRIGGER_NONE, + cpcap_rtc_alarm_irq, + IRQF_TRIGGER_NONE | IRQF_ONESHOT, "rtc_alarm", rtc); if (err) { dev_err(dev, "Could not request alarm irq: %d\n", err); @@ -291,7 +286,8 @@ static int cpcap_rtc_probe(struct platform_device *pdev) */ rtc->update_irq = platform_get_irq(pdev, 1); err = devm_request_threaded_irq(dev, rtc->update_irq, NULL, - cpcap_rtc_update_irq, IRQF_TRIGGER_NONE, + cpcap_rtc_update_irq, + IRQF_TRIGGER_NONE | IRQF_ONESHOT, "rtc_1hz", rtc); if (err) { dev_err(dev, "Could not request update irq: %d\n", err); @@ -299,13 +295,13 @@ static int cpcap_rtc_probe(struct platform_device *pdev) } disable_irq(rtc->update_irq); - err = device_init_wakeup(dev, 1); + err = device_init_wakeup(dev, true); if (err) { dev_err(dev, "wakeup initialization failed (%d)\n", err); /* ignore error and continue without wakeup support */ } - return 0; + return devm_rtc_register_device(rtc->rtc_dev); } static const struct of_device_id cpcap_rtc_of_match[] = { @@ -324,7 +320,6 @@ static struct platform_driver cpcap_rtc_driver = { module_platform_driver(cpcap_rtc_driver); -MODULE_ALIAS("platform:cpcap-rtc"); MODULE_DESCRIPTION("CPCAP RTC driver"); MODULE_AUTHOR("Sebastian Reichel <sre@kernel.org>"); MODULE_LICENSE("GPL"); |