Commit 6e6111f6 authored by Alexandre Belloni's avatar Alexandre Belloni
Browse files

rtc: rx8581: error out when time invalid 



Return an error when the date is unreliable because the battery is low.

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent ed87c6d8

drivers/rtc/rtc-rx8581.c

+6 −4
Original line number Diff line number Diff line
@@ -109,6 +109,12 @@ static int rx8581_rtc_read_time(struct device *dev, struct rtc_time *tm) 
		return -EIO;

	}



	if (data & RX8581_FLAG_VLF) {

		dev_warn(dev,

			 "low voltage detected, date/time is not reliable.\n");

		return -EINVAL;

	}



	do {

		/* If update flag set, clear it */

		if (data & RX8581_FLAG_UF) {
@@ -136,10 +142,6 @@ static int rx8581_rtc_read_time(struct device *dev, struct rtc_time *tm) 
		}

	} while (data & RX8581_FLAG_UF);



	if (data & RX8581_FLAG_VLF)

		dev_info(dev,

			"low voltage detected, date/time is not reliable.\n");



	dev_dbg(dev, "%s: raw data is sec=%02x, min=%02x, hr=%02x, "

		"wday=%02x, mday=%02x, mon=%02x, year=%02x\n",

		__func__,