2024-02-27 23:14:45

by Alexandre Belloni

Subject: [PATCH 1/2] rtc: ds1511: set range

From: Alexandre Belloni <[email protected]>

The ds1511 leap year calculation fails in 2100.

Signed-off-by: Alexandre Belloni <[email protected]>
---
drivers/rtc/rtc-ds1511.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index edb8d90812c5..6869d28d34cc 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -322,6 +322,7 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
return PTR_ERR(ds1511->rtc);

ds1511->rtc->ops = &ds1511_rtc_ops;
+ ds1511->rtc->range_max = RTC_TIMESTAMP_END_2099;

/*
* if the platform has an interrupt in mind for this device,
--
2.43.0

2024-02-27 23:15:01

by Alexandre Belloni

Subject: [PATCH 2/2] rtc: ds1511: set alarm offset limit

From: Alexandre Belloni <[email protected]>

The ds1511 can only support alarms up to a month in the future (which we
currently limit to 28 days).

Signed-off-by: Alexandre Belloni <[email protected]>
---
drivers/rtc/rtc-ds1511.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 6869d28d34cc..8b087d9556be 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -323,6 +323,7 @@ static int ds1511_rtc_probe(struct platform_device *pdev)

ds1511->rtc->ops = &ds1511_rtc_ops;
ds1511->rtc->range_max = RTC_TIMESTAMP_END_2099;
+ ds1511->rtc->alarm_offset_max = 28 * 24 * 60 * 60 - 1;

/*
* if the platform has an interrupt in mind for this device,
--
2.43.0