diff options
Diffstat (limited to 'drivers/rtc/rtc-pl030.c')
| -rw-r--r-- | drivers/rtc/rtc-pl030.c | 50 |
1 files changed, 17 insertions, 33 deletions
diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c index 343bb6ed1783..5caaa714f448 100644 --- a/drivers/rtc/rtc-pl030.c +++ b/drivers/rtc/rtc-pl030.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/drivers/rtc/rtc-pl030.c * * Copyright (C) 2000-2001 Deep Blue Solutions Ltd. - * - * 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. */ #include <linux/module.h> #include <linux/rtc.h> @@ -24,7 +21,6 @@ #define RTC_CR_MIE (1 << 0) struct pl030_rtc { - struct rtc_device *rtc; void __iomem *base; }; @@ -39,32 +35,24 @@ static int pl030_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) { struct pl030_rtc *rtc = dev_get_drvdata(dev); - rtc_time_to_tm(readl(rtc->base + RTC_MR), &alrm->time); + rtc_time64_to_tm(readl(rtc->base + RTC_MR), &alrm->time); return 0; } static int pl030_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) { struct pl030_rtc *rtc = dev_get_drvdata(dev); - unsigned long time; - int ret; - /* - * At the moment, we can only deal with non-wildcarded alarm times. - */ - ret = rtc_valid_tm(&alrm->time); - if (ret == 0) - ret = rtc_tm_to_time(&alrm->time, &time); - if (ret == 0) - writel(time, rtc->base + RTC_MR); - return ret; + writel(rtc_tm_to_time64(&alrm->time), rtc->base + RTC_MR); + + return 0; } static int pl030_read_time(struct device *dev, struct rtc_time *tm) { struct pl030_rtc *rtc = dev_get_drvdata(dev); - rtc_time_to_tm(readl(rtc->base + RTC_DR), tm); + rtc_time64_to_tm(readl(rtc->base + RTC_DR), tm); return 0; } @@ -80,14 +68,10 @@ static int pl030_read_time(struct device *dev, struct rtc_time *tm) static int pl030_set_time(struct device *dev, struct rtc_time *tm) { struct pl030_rtc *rtc = dev_get_drvdata(dev); - unsigned long time; - int ret; - ret = rtc_tm_to_time(tm, &time); - if (ret == 0) - writel(time + 1, rtc->base + RTC_LR); + writel(rtc_tm_to_time64(tm) + 1, rtc->base + RTC_LR); - return ret; + return 0; } static const struct rtc_class_ops pl030_ops = { @@ -101,6 +85,7 @@ static int pl030_probe(struct amba_device *dev, const struct amba_id *id) { struct pl030_rtc *rtc; int ret; + struct rtc_device *rtc_dev; ret = amba_request_regions(dev, NULL); if (ret) @@ -112,13 +97,14 @@ static int pl030_probe(struct amba_device *dev, const struct amba_id *id) goto err_rtc; } - rtc->rtc = devm_rtc_allocate_device(&dev->dev); - if (IS_ERR(rtc->rtc)) { - ret = PTR_ERR(rtc->rtc); + rtc_dev = devm_rtc_allocate_device(&dev->dev); + if (IS_ERR(rtc_dev)) { + ret = PTR_ERR(rtc_dev); goto err_rtc; } - rtc->rtc->ops = &pl030_ops; + rtc_dev->ops = &pl030_ops; + rtc_dev->range_max = U32_MAX; rtc->base = ioremap(dev->res.start, resource_size(&dev->res)); if (!rtc->base) { ret = -ENOMEM; @@ -135,7 +121,7 @@ static int pl030_probe(struct amba_device *dev, const struct amba_id *id) if (ret) goto err_irq; - ret = rtc_register_device(rtc->rtc); + ret = devm_rtc_register_device(rtc_dev); if (ret) goto err_reg; @@ -151,7 +137,7 @@ static int pl030_probe(struct amba_device *dev, const struct amba_id *id) return ret; } -static int pl030_remove(struct amba_device *dev) +static void pl030_remove(struct amba_device *dev) { struct pl030_rtc *rtc = amba_get_drvdata(dev); @@ -160,11 +146,9 @@ static int pl030_remove(struct amba_device *dev) free_irq(dev->irq[0], rtc); iounmap(rtc->base); amba_release_regions(dev); - - return 0; } -static struct amba_id pl030_ids[] = { +static const struct amba_id pl030_ids[] = { { .id = 0x00041030, .mask = 0x000fffff, |