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 <[email protected]>
---
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 2004f8c5397f..4f8f6092097a 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