[PATCH 39/51] rtc: sirfsoc: stop using rtc deprecated functions

From: Benjamin Gaignard
Date: Tue Jun 20 2017 - 05:44:03 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.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
CC: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
CC: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
CC: Barry Song <baohua@xxxxxxxxxx>
CC: rtc-linux@xxxxxxxxxxxxxxxx
CC: linux-kernel@xxxxxxxxxxxxxxx
CC: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
---
drivers/rtc/rtc-sirfsoc.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/rtc/rtc-sirfsoc.c b/drivers/rtc/rtc-sirfsoc.c
index 7367f61..972ede9 100644
--- a/drivers/rtc/rtc-sirfsoc.c
+++ b/drivers/rtc/rtc-sirfsoc.c
@@ -91,11 +91,11 @@ static int sirfsoc_rtc_read_alarm(struct device *dev,
*/
/* if alarm is in next overflow cycle */
if (rtc_count > rtc_alarm)
- rtc_time_to_tm((rtcdrv->overflow_rtc + 1)
- << (BITS_PER_LONG - RTC_SHIFT)
- | rtc_alarm >> RTC_SHIFT, &(alrm->time));
+ rtc_time64_to_tm((rtcdrv->overflow_rtc + 1)
+ << (BITS_PER_LONG - RTC_SHIFT)
+ | rtc_alarm >> RTC_SHIFT, &(alrm->time));
else
- rtc_time_to_tm(rtcdrv->overflow_rtc
+ rtc_time64_to_tm(rtcdrv->overflow_rtc
<< (BITS_PER_LONG - RTC_SHIFT)
| rtc_alarm >> RTC_SHIFT, &(alrm->time));
if (sirfsoc_rtc_readl(rtcdrv, RTC_STATUS) & SIRFSOC_RTC_AL0E)
@@ -109,12 +109,12 @@ static int sirfsoc_rtc_read_alarm(struct device *dev,
static int sirfsoc_rtc_set_alarm(struct device *dev,
struct rtc_wkalrm *alrm)
{
- unsigned long rtc_status_reg, rtc_alarm;
+ unsigned long long rtc_status_reg, rtc_alarm;
struct sirfsoc_rtc_drv *rtcdrv;
rtcdrv = dev_get_drvdata(dev);

if (alrm->enabled) {
- rtc_tm_to_time(&(alrm->time), &rtc_alarm);
+ rtc_alarm = rtc_tm_to_time64(&alrm->time);

spin_lock_irq(&rtcdrv->lock);

@@ -182,7 +182,7 @@ static int sirfsoc_rtc_read_time(struct device *dev,
cpu_relax();
} while (tmp_rtc != sirfsoc_rtc_readl(rtcdrv, RTC_CN));

- rtc_time_to_tm(rtcdrv->overflow_rtc << (BITS_PER_LONG - RTC_SHIFT) |
+ rtc_time64_to_tm(rtcdrv->overflow_rtc << (BITS_PER_LONG - RTC_SHIFT) |
tmp_rtc >> RTC_SHIFT, tm);
return 0;
}
@@ -190,11 +190,11 @@ static int sirfsoc_rtc_read_time(struct device *dev,
static int sirfsoc_rtc_set_time(struct device *dev,
struct rtc_time *tm)
{
- unsigned long rtc_time;
+ unsigned long long rtc_time;
struct sirfsoc_rtc_drv *rtcdrv;
rtcdrv = dev_get_drvdata(dev);

- rtc_tm_to_time(tm, &rtc_time);
+ rtc_time = rtc_tm_to_time64(tm);

rtcdrv->overflow_rtc = rtc_time >> (BITS_PER_LONG - RTC_SHIFT);

--
1.9.1