rtc: da9063: set range

The DA9062 and DA9063 have a year register that can go up to 0x3F.

Acked-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-da9063.c b/drivers/rtc/rtc-da9063.c
index 73b38d207d7e8d69106cb32513091d032876140f..b7052156e851e7054403e8804430424e1fa7794c 100644 (file)
--- 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 588120ba372cda578ca3e12df76296b56d7f8de1..09fb4af5edab8d9b22e1ed340d772150967b65af 100644 (file)
--- 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 */