[PATCH 28/51] rtc: jz4740: stop using rtc deprecated functions

From: Benjamin Gaignard
Date: Tue Jun 20 2017 - 05:49:01 EST


rtc_time_to_tm() and rtc_tm_to_time() are deprecated because they
rely on 32bits variables and that will make rtc break in y2038/2016.
Stop using those two functions to safer 64bits ones.

For the same reasons use set_mmss64 callback instead of set_mmss

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
CC: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
CC: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
CC: rtc-linux@xxxxxxxxxxxxxxxx
CC: linux-kernel@xxxxxxxxxxxxxxx
---
drivers/rtc/rtc-jz4740.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c
index 64989af..7ce1f43 100644
--- a/drivers/rtc/rtc-jz4740.c
+++ b/drivers/rtc/rtc-jz4740.c
@@ -171,12 +171,12 @@ static int jz4740_rtc_read_time(struct device *dev, struct rtc_time *time)
if (timeout == 0)
return -EIO;

- rtc_time_to_tm(secs, time);
+ rtc_time64_to_tm((u64)secs, time);

return rtc_valid_tm(time);
}

-static int jz4740_rtc_set_mmss(struct device *dev, unsigned long secs)
+static int jz4740_rtc_set_mmss64(struct device *dev, time64_t secs)
{
struct jz4740_rtc *rtc = dev_get_drvdata(dev);

@@ -196,7 +196,7 @@ static int jz4740_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
alrm->enabled = !!(ctrl & JZ_RTC_CTRL_AE);
alrm->pending = !!(ctrl & JZ_RTC_CTRL_AF);

- rtc_time_to_tm(secs, &alrm->time);
+ rtc_time64_to_tm((u64)secs, &alrm->time);

return rtc_valid_tm(&alrm->time);
}
@@ -205,9 +205,9 @@ static int jz4740_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
int ret;
struct jz4740_rtc *rtc = dev_get_drvdata(dev);
- unsigned long secs;
+ unsigned long long secs;

- rtc_tm_to_time(&alrm->time, &secs);
+ secs = rtc_tm_to_time64(&alrm->time);

ret = jz4740_rtc_reg_write(rtc, JZ_REG_RTC_SEC_ALARM, secs);
if (!ret)
@@ -225,7 +225,7 @@ static int jz4740_rtc_alarm_irq_enable(struct device *dev, unsigned int enable)

static const struct rtc_class_ops jz4740_rtc_ops = {
.read_time = jz4740_rtc_read_time,
- .set_mmss = jz4740_rtc_set_mmss,
+ .set_mmss64 = jz4740_rtc_set_mmss64,
.read_alarm = jz4740_rtc_read_alarm,
.set_alarm = jz4740_rtc_set_alarm,
.alarm_irq_enable = jz4740_rtc_alarm_irq_enable,
--
1.9.1