rtc: rx8581: error out when time invalid (6e6111f6) · Commits · 戴 / test

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__,