Drop call to of_match_device, which is subsumed by the subsequent call to of_device_get_match_data. The code becomes simpler, and a temporary variable can be dropped. Found by coccinelle. Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> --- drivers/iio/potentiometer/mcp4531.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/iio/potentiometer/mcp4531.c b/drivers/iio/potentiometer/mcp4531.c index df894af..d87ca85 100644 --- a/drivers/iio/potentiometer/mcp4531.c +++ b/drivers/iio/potentiometer/mcp4531.c @@ -360,7 +360,6 @@ static int mcp4531_probe(struct i2c_client *client) struct device *dev = &client->dev; struct mcp4531_data *data; struct iio_dev *indio_dev; - const struct of_device_id *match; if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA)) { @@ -375,10 +374,8 @@ static int mcp4531_probe(struct i2c_client *client) i2c_set_clientdata(client, indio_dev); data->client = client; - match = of_match_device(of_match_ptr(mcp4531_of_match), dev); - if (match) - data->cfg = of_device_get_match_data(dev); - else + data->cfg = of_device_get_match_data(dev); + if (!data->cfg) data->cfg = &mcp4531_cfg[i2c_match_id(mcp4531_id, client)->driver_data]; indio_dev->dev.parent = dev; -- 1.8.3.1