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Subject[PATCH 3/3] rtc: pl031: switch to rtc_time64_to_tm/rtc_tm_to_time64
Date
Call the 64bit versions of rtc_tm time conversion to allow extending
support after 2106 and properly supporting the STv2 range.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-pl031.c | 27 +++++++--------------------
1 file changed, 7 insertions(+), 20 deletions(-)

diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index 07dc0f264100..40d7450a1ce4 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -125,11 +125,9 @@ static int pl031_stv2_tm_to_time(struct device *dev,
return -EINVAL;
} else if (wday == -1) {
/* wday is not provided, calculate it here */
- unsigned long time;
struct rtc_time calc_tm;

- rtc_tm_to_time(tm, &time);
- rtc_time_to_tm(time, &calc_tm);
+ rtc_time64_to_tm(rtc_tm_to_time64(tm), &calc_tm);
wday = calc_tm.tm_wday;
}

@@ -246,30 +244,25 @@ static int pl031_read_time(struct device *dev, struct rtc_time *tm)
{
struct pl031_local *ldata = dev_get_drvdata(dev);

- rtc_time_to_tm(readl(ldata->base + RTC_DR), tm);
+ rtc_time64_to_tm(readl(ldata->base + RTC_DR), tm);

return 0;
}

static int pl031_set_time(struct device *dev, struct rtc_time *tm)
{
- unsigned long time;
struct pl031_local *ldata = dev_get_drvdata(dev);
- int ret;

- ret = rtc_tm_to_time(tm, &time);
-
- if (ret == 0)
- writel(time, ldata->base + RTC_LR);
+ writel(rtc_tm_to_time64(tm), ldata->base + RTC_LR);

- return ret;
+ return 0;
}

static int pl031_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
{
struct pl031_local *ldata = dev_get_drvdata(dev);

- rtc_time_to_tm(readl(ldata->base + RTC_MR), &alarm->time);
+ rtc_time64_to_tm(readl(ldata->base + RTC_MR), &alarm->time);

alarm->pending = readl(ldata->base + RTC_RIS) & RTC_BIT_AI;
alarm->enabled = readl(ldata->base + RTC_IMSC) & RTC_BIT_AI;
@@ -280,16 +273,10 @@ static int pl031_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
static int pl031_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
{
struct pl031_local *ldata = dev_get_drvdata(dev);
- unsigned long time;
- int ret;

- ret = rtc_tm_to_time(&alarm->time, &time);
- if (ret == 0) {
- writel(time, ldata->base + RTC_MR);
- pl031_alarm_irq_enable(dev, alarm->enabled);
- }
+ writel(rtc_tm_to_time64(&alarm->time), ldata->base + RTC_MR);

- return ret;
+ return 0;
}

static int pl031_remove(struct amba_device *adev)
--
2.24.1
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