Use bool for valid flag and leave it up to the compiler to find an optimal representation.
Signed-off-by: Guenter Roeck <[email protected]> --- drivers/hwmon/lm90.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index 322a73d3d135..c38d6e4e95b5 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -367,7 +367,7 @@ struct lm90_data { struct i2c_client *client; const struct attribute_group *groups[6]; struct mutex update_lock; - char valid; /* zero until following fields are valid */ + bool valid; /* true if register values are valid */ unsigned long last_updated; /* in jiffies */ int kind; u32 flags; @@ -624,7 +624,7 @@ static struct lm90_data *lm90_update_device(struct device *dev) if (time_after(jiffies, next_update) || !data->valid) { dev_dbg(&client->dev, "Updating lm90 data.\n"); - data->valid = 0; + data->valid = false; val = lm90_read_reg(client, LM90_REG_R_LOCAL_LOW); if (val < 0) @@ -697,7 +697,7 @@ static struct lm90_data *lm90_update_device(struct device *dev) } data->last_updated = jiffies; - data->valid = 1; + data->valid = true; } error: -- 2.5.0
