diff mbox series

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

Message ID 20210126221435.2152339-1-alexandre.belloni@bootlin.com
State Accepted
Headers show
Series [1/2] rtc: rv3028: fix PORF handling | expand

Commit Message

Alexandre Belloni Jan. 26, 2021, 10:14 p.m. UTC 
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@bootlin.com>
---
 drivers/rtc/rtc-rv3028.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

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;