From c33c4713cd6bacafa27de2882e14008c4d9cc756 Mon Sep 17 00:00:00 2001 From: Alexandre Belloni Date: Fri, 6 Mar 2020 01:57:30 +0100 Subject: rtc: pl030: switch to rtc_time64_to_tm/rtc_tm_to_time64 Call the 64bit versions of rtc_tm time conversion to avoid the y2106 issue. Link: https://lore.kernel.org/r/20200306005730.38268-3-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni --- drivers/rtc/rtc-pl030.c | 21 +++++++-------------- 1 file changed, 7 insertions(+), 14 deletions(-) diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c index 55776e8fa87c..ebe03eba8f5f 100644 --- a/drivers/rtc/rtc-pl030.c +++ b/drivers/rtc/rtc-pl030.c @@ -36,27 +36,24 @@ 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; - 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; } @@ -72,14 +69,10 @@ 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 = { -- cgit v1.2.3