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rtc: ds1307: Clear OSF flag on DS1388 when setting time

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[ Upstream commit f471b05f76 ]

Ensure the OSF flag is cleared on the DS1388 when the clock is set.

Fixes: df11b323b1 ("rtc: ds1307: handle oscillator failure flags for ds1388 variant")
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20200818013543.4283-1-chris.packham@alliedtelesis.co.nz
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chris Packham
2020-10-29 10:11:52 +01:00
committed by Greg Kroah-Hartman
parent bdcac9c14a
commit d914bcc2e9
1 changed files with 4 additions and 0 deletions
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drivers/rtc/rtc-ds1307.c
+4
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@@ -352,6 +352,10 @@ static int ds1307_set_time(struct device *dev, struct rtc_time *t)
regmap_update_bits(ds1307->regmap, DS1340_REG_FLAG,
DS1340_BIT_OSF, 0);
break;
case ds_1388:
regmap_update_bits(ds1307->regmap, DS1388_REG_FLAG,
DS1388_BIT_OSF, 0);
break;
case mcp794xx:
/*
* these bits were cleared when preparing the date/time