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rtc: fsl-ftm-alarm: switch to rtc_time64_to_tm/rtc_tm_to_time64

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Call the 64bit versions of rtc_tm time conversion to avoid the y2038 issue.

Link: https://lore.kernel.org/r/20191016201223.30568-3-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2019-10-16 22:12:22 +02:00
parent db2a4af115
commit 9323e9631c
1 changed files with 5 additions and 4 deletions
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9
drivers/rtc/rtc-fsl-ftm-alarm.c
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@ -180,7 +180,7 @@ static int ftm_rtc_alarm_irq_enable(struct device *dev,
*/
static int ftm_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
rtc_time_to_tm(ktime_get_real_seconds(), tm);
rtc_time64_to_tm(ktime_get_real_seconds(), tm);
return 0;
}
@ -204,12 +204,13 @@ static int ftm_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
static int ftm_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
{
struct rtc_time tm;
unsigned long now, alm_time, cycle;
time64_t now, alm_time;
unsigned long long cycle;
struct ftm_rtc *rtc = dev_get_drvdata(dev);
ftm_rtc_read_time(dev, &tm);
rtc_tm_to_time(&tm, &now);
rtc_tm_to_time(&alm->time, &alm_time);
now = rtc_tm_to_time64(&tm);
alm_time = rtc_tm_to_time64(&alm->time);
ftm_clean_alarm(rtc);
cycle = (alm_time - now) * rtc->alarm_freq;