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Subject[PATCH 1/2] rtc: da9063: set range
Date
The DA9062 and DA9063 have a year register that can go up to 0x3F.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/rtc/rtc-da9063.c | 9 ++++++---
include/linux/rtc.h | 1 +
2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/rtc/rtc-da9063.c b/drivers/rtc/rtc-da9063.c
index 73b38d207d7e..b7052156e851 100644
--- a/drivers/rtc/rtc-da9063.c
+++ b/drivers/rtc/rtc-da9063.c
@@ -464,11 +464,14 @@ static int da9063_rtc_probe(struct platform_device *pdev)

platform_set_drvdata(pdev, rtc);

- rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, DA9063_DRVNAME_RTC,
- &da9063_rtc_ops, THIS_MODULE);
+ rtc->rtc_dev = devm_rtc_allocate_device(&pdev->dev);
if (IS_ERR(rtc->rtc_dev))
return PTR_ERR(rtc->rtc_dev);

+ rtc->rtc_dev->ops = &da9063_rtc_ops;
+ rtc->rtc_dev->range_min = RTC_TIMESTAMP_BEGIN_2000;
+ rtc->rtc_dev->range_max = RTC_TIMESTAMP_END_2063;
+
da9063_data_to_tm(data, &rtc->alarm_time, rtc);
rtc->rtc_sync = false;

@@ -481,7 +484,7 @@ static int da9063_rtc_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Failed to request ALARM IRQ %d: %d\n",
irq_alarm, ret);

- return ret;
+ return rtc_register_device(rtc->rtc_dev);
}

static struct platform_driver da9063_rtc_driver = {
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 588120ba372c..09fb4af5edab 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -164,6 +164,7 @@ struct rtc_device {
/* useful timestamps */
#define RTC_TIMESTAMP_BEGIN_1900 -2208989361LL /* 1900-01-01 00:00:00 */
#define RTC_TIMESTAMP_BEGIN_2000 946684800LL /* 2000-01-01 00:00:00 */
+#define RTC_TIMESTAMP_END_2063 2966371199LL /* 2063-12-31 23:59:59 */
#define RTC_TIMESTAMP_END_2099 4102444799LL /* 2099-12-31 23:59:59 */
#define RTC_TIMESTAMP_END_9999 253402300799LL /* 9999-12-31 23:59:59 */

--
2.20.1
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