[PATCH v9 2/5] iio: magnetometer: ak8975: unify messages with help of dev_err_probe()

[Joshua Crofts <joshua.crofts1@gmail.com>]

From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Unify error messages that might appear during probe phase by
switching to use dev_err_probe().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Joshua Crofts <joshua.crofts1@gmail.com>
---
 drivers/iio/magnetometer/ak8975.c | 37 +++++++++++++------------------------
 1 file changed, 13 insertions(+), 24 deletions(-)

diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index d217fdf34bce..59a7bb83a731 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -501,14 +501,10 @@ static int ak8975_who_i_am(const struct ak8975_data *data,
 							AK09912_REG_WIA1,
 							sizeof(wia_val),
 							wia_val);
-	if (ret < 0) {
-		dev_err(&client->dev, "Error reading WIA\n");
-		return ret;
-	}
-	if (ret != sizeof(wia_val)) {
-		dev_err(&client->dev, "Error reading WIA\n");
-		return -EIO;
-	}
+	if (ret < 0)
+		return dev_err_probe(&client->dev, ret, "Error reading WIA\n");
+	if (ret != sizeof(wia_val))
+		return dev_err_probe(&client->dev, -EIO, "Error reading WIA\n");
 
 	if (wia_val[0] != AK8975_DEVICE_ID)
 		return -ENODEV;
@@ -1030,18 +1026,15 @@ static int ak8975_probe(struct i2c_client *client)
 		return ret;
 
 	ret = ak8975_who_i_am(data, data->def->type);
-	if (ret) {
-		dev_err(&client->dev, "Unexpected device\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "Unexpected device\n");
+
 	dev_dbg(&client->dev, "Asahi compass chip %s\n", name);
 
 	/* Perform some basic start-of-day setup of the device. */
 	ret = ak8975_setup(data);
-	if (ret) {
-		dev_err(&client->dev, "%s initialization fails\n", name);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "%s initialization fails\n", name);
 
 	ret = devm_mutex_init(dev, &data->lock);
 	if (ret)
@@ -1057,10 +1050,8 @@ static int ak8975_probe(struct i2c_client *client)
 	ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL,
 					      ak8975_handle_trigger,
 					      &ak8975_buffer_setup_ops);
-	if (ret) {
-		dev_err(&client->dev, "triggered buffer setup failed\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "triggered buffer setup failed\n");
 
 	pm_runtime_set_active(dev);
 	ret = devm_pm_runtime_enable(dev);
@@ -1068,10 +1059,8 @@ static int ak8975_probe(struct i2c_client *client)
 		return ret;
 
 	ret = devm_iio_device_register(dev, indio_dev);
-	if (ret) {
-		dev_err(&client->dev, "device register failed\n");
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "device register failed\n");
 
 	/*
 	 * The device comes online in 500us, so add two orders of magnitude

-- 
2.55.0