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hwmon: (sht3x) set initial jiffies to last_update

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Handling the wraparound requires the data->last_update to be set to an
initial jiffies value. Otherwise on 32-bit systems you will not be able
to request a reading till the 5 minute jiffies rollover happens.

Cc: Guenter Roeck <linux@roeck-us.net>
Cc: David Frey <david.frey@sensirion.com>
Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Fixes: 7c84f7f80d ("hwmon: add support for Sensirion SHT3x sensors")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Matt Ranostay 2016-07-24 17:05:32 -07:00 committed by Guenter Roeck
parent e65805251f
commit 991f9fa903
1 changed files with 1 additions and 1 deletions
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2
drivers/hwmon/sht3x.c
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@ -720,7 +720,7 @@ static int sht3x_probe(struct i2c_client *client,
data->setup.blocking_io = false;
data->setup.high_precision = true;
data->mode = 0;
data->last_update = 0;
data->last_update = jiffies - msecs_to_jiffies(3000);
data->client = client;
crc8_populate_msb(sht3x_crc8_table, SHT3X_CRC8_POLYNOMIAL);