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authorAlexandre Belloni2020-03-06 01:57:30 +0100
committerAlexandre Belloni2020-03-16 11:12:09 +0100
commitc33c4713cd6bacafa27de2882e14008c4d9cc756 (patch)
treec8f8c5ce74da52770abdf77e6dbd7d429a7a0922
parentb303b2fe5d972807407214b766c21d335414fc4b (diff)
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 <alexandre.belloni@bootlin.com>
-rw-r--r--drivers/rtc/rtc-pl030.c21
1 files 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 = {