dev_err_probe() can reduce code size, uniform error handling and record the
defer probe reason etc., use it to simplify the code.
Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
---
drivers/iio/magnetometer/mag3110.c | 20 ++++++--------------
1 file changed, 6 insertions(+), 14 deletions(-)
diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c
index 4d305a2..838b13c 100644
--- a/drivers/iio/magnetometer/mag3110.c
+++ b/drivers/iio/magnetometer/mag3110.c
@@ -476,22 +476,14 @@ static int mag3110_probe(struct i2c_client *client,
data = iio_priv(indio_dev);
data->vdd_reg = devm_regulator_get(&client->dev, "vdd");
- if (IS_ERR(data->vdd_reg)) {
- if (PTR_ERR(data->vdd_reg) == -EPROBE_DEFER)
- return -EPROBE_DEFER;
-
- dev_err(&client->dev, "failed to get VDD regulator!\n");
- return PTR_ERR(data->vdd_reg);
- }
+ if (IS_ERR(data->vdd_reg))
+ return dev_err_probe(&client->dev, PTR_ERR(data->vdd_reg),
+ "failed to get VDD regulator!\n");
data->vddio_reg = devm_regulator_get(&client->dev, "vddio");
- if (IS_ERR(data->vddio_reg)) {
- if (PTR_ERR(data->vddio_reg) == -EPROBE_DEFER)
- return -EPROBE_DEFER;
-
- dev_err(&client->dev, "failed to get VDDIO regulator!\n");
- return PTR_ERR(data->vddio_reg);
- }
+ if (IS_ERR(data->vddio_reg))
+ return dev_err_probe(&client->dev, PTR_ERR(data->vddio_reg),
+ "failed to get VDDIO regulator!\n");
ret = regulator_enable(data->vdd_reg);
if (ret) {
--
2.7.4
