Fix wrong register use when set/reset ST bit. ST bit is in register M41T62_REG_SEC not in M41T62_REG_ALARM_HOUR.

I have not actually tested this. But this seemed buggy from inspection.

Fixes: 9bbe210512c4539 ("rtc: m41t62: add oscillator fail bit reset support") Signed-off-by: Max Yang max.yang@deltaww.com ---

drivers/rtc/m41t62.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/m41t62.c b/drivers/rtc/m41t62.c index 0a4e12d698..8be532c3e3 100644 --- a/drivers/rtc/m41t62.c +++ b/drivers/rtc/m41t62.c @@ -213,13 +213,13 @@ static int m41t62_rtc_restart_osc(struct udevice *dev)

/* 1. Set stop bit */ val |= M41T62_SEC_ST; - ret = dm_i2c_write(dev, M41T62_REG_ALARM_HOUR, &val, sizeof(val)); + ret = dm_i2c_write(dev, M41T62_REG_SEC, &val, sizeof(val)); if (ret) return ret;

/* 2. Clear stop bit */ val &= ~M41T62_SEC_ST; - ret = dm_i2c_write(dev, M41T62_REG_ALARM_HOUR, &val, sizeof(val)); + ret = dm_i2c_write(dev, M41T62_REG_SEC, &val, sizeof(val)); if (ret) return ret;

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