Messages in this thread | | | Date | Thu, 17 Aug 2023 10:03:41 +0200 | From | Miquel Raynal <> | Subject | Re: [PATCH 7/7] rtc: rzn1: Report maximum alarm limit to rtc core |
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Hi Guenter,
linux@roeck-us.net wrote on Wed, 16 Aug 2023 06:39:36 -0700:
> RZN1 only supports alarms up to one week in the future. > Report the limit to the RTC core. > > Cc: Brian Norris <briannorris@chromium.org> > Signed-off-by: Guenter Roeck <linux@roeck-us.net> > --- > drivers/rtc/rtc-rzn1.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/rtc/rtc-rzn1.c b/drivers/rtc/rtc-rzn1.c > index dca736caba85..c2cc3774ebb8 100644 > --- a/drivers/rtc/rtc-rzn1.c > +++ b/drivers/rtc/rtc-rzn1.c > @@ -351,6 +351,7 @@ static int rzn1_rtc_probe(struct platform_device *pdev) > > rtc->rtcdev->range_min = RTC_TIMESTAMP_BEGIN_2000; > rtc->rtcdev->range_max = RTC_TIMESTAMP_END_2099; > + rtc->rtcdev->range_max_offset = 7 * 86400;
When we set the alarm, we use:
farest = rtc_tm_to_time64(&tm_now) + (7 * 86400);
What about using range_max_offset (whatever its final name) in this calculation as it will be now set in probe? It would further clarify its purpose.
> rtc->rtcdev->ops = &rzn1_rtc_ops; > set_bit(RTC_FEATURE_ALARM_RES_MINUTE, rtc->rtcdev->features); > clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->rtcdev->features);
With the above change,
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Thanks, Miquèl
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