[PATCH 1/2] rtc: rv3028: fix PORF handling

[Alexandre Belloni]

The PORF bit is cleared on interrupts which prevents the driver to know
when the time and date are invalid. Stop clearing PORF in the interrupt
handler.

Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
---
 drivers/rtc/rtc-rv3028.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/rtc/rtc-rv3028.c b/drivers/rtc/rtc-rv3028.c
index f68baa055a0b..6d07f8261c69 100644
--- a/drivers/rtc/rtc-rv3028.c
+++ b/drivers/rtc/rtc-rv3028.c
@@ -268,6 +268,8 @@ static irqreturn_t rv3028_handle_irq(int irq, void *dev_id)
 	if (status & RV3028_STATUS_PORF)
 		dev_warn(&rv3028->rtc->dev, "Voltage low, data loss detected.\n");
 
+	status &= ~RV3028_STATUS_PORF;
+
 	if (status & RV3028_STATUS_TF) {
 		status |= RV3028_STATUS_TF;
 		ctrl |= RV3028_CTRL2_TIE;
-- 
2.29.2