Commit f007c479 authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

rtc: rv3028: fix PORF handling 



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: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210126221435.2152339-1-alexandre.belloni@bootlin.com
parent 0c1095d3

drivers/rtc/rtc-rv3028.c

+2 −0
Original line number Diff line number Diff line
@@ -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;