Hi Benjamin
On 06/16/2017 04:03 PM, Benjamin Gaignard wrote:
> 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@xxxxxxxxxx>
> ---
> 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)
>
Acked-by: Patrice Chotard <patrice.chotard@xxxxxx>
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