Make driver use u64 variables and functions to be sure that it will support dates after year 2038.
Signed-off-by: Benjamin Gaignard benjamin.gaignard@linaro.org Acked-by: Patrice Chotard patrice.chotard@st.com --- drivers/rtc/rtc-st-lpc.c | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-)
diff --git a/drivers/rtc/rtc-st-lpc.c b/drivers/rtc/rtc-st-lpc.c index 74c0a33..82b0af1 100644 --- a/drivers/rtc/rtc-st-lpc.c +++ b/drivers/rtc/rtc-st-lpc.c @@ -99,7 +99,7 @@ static int st_rtc_read_time(struct device *dev, struct rtc_time *tm)
lpt = ((unsigned long long)lpt_msb << 32) | lpt_lsb; do_div(lpt, rtc->clkrate); - rtc_time_to_tm(lpt, tm); + rtc_time64_to_tm(lpt, tm);
return 0; } @@ -107,13 +107,10 @@ static int st_rtc_read_time(struct device *dev, struct rtc_time *tm) static int st_rtc_set_time(struct device *dev, struct rtc_time *tm) { struct st_rtc *rtc = dev_get_drvdata(dev); - unsigned long long lpt; - unsigned long secs, flags; - int ret; + unsigned long long lpt, secs; + unsigned long flags;
- ret = rtc_tm_to_time(tm, &secs); - if (ret) - return ret; + secs = rtc_tm_to_time64(tm);
lpt = (unsigned long long)secs * rtc->clkrate;
@@ -161,13 +158,13 @@ static int st_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *t) { struct st_rtc *rtc = dev_get_drvdata(dev); struct rtc_time now; - unsigned long now_secs; - unsigned long alarm_secs; + unsigned long long now_secs; + unsigned long long alarm_secs; unsigned long long lpa;
st_rtc_read_time(dev, &now); - rtc_tm_to_time(&now, &now_secs); - rtc_tm_to_time(&t->time, &alarm_secs); + now_secs = rtc_tm_to_time64(&now); + alarm_secs = rtc_tm_to_time64(&t->time);
/* Invalid alarm time */ if (now_secs > alarm_secs)