Using dev_err_probe instead of dev_err and return makes the errors
easier to understand by including the error name, and saves a little
code.

Signed-off-by: Aren Moynihan <a...@peacevolution.org>
---

Notes:
    Added in v2

 drivers/iio/light/stk3310.c | 44 +++++++++++++++++--------------------
 1 file changed, 20 insertions(+), 24 deletions(-)

diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c
index ee1ac95dbc0e..c56c6298d292 100644
--- a/drivers/iio/light/stk3310.c
+++ b/drivers/iio/light/stk3310.c
@@ -60,10 +60,10 @@
                data->reg_##name =                                          \
                        devm_regmap_field_alloc(&client->dev, regmap,       \
                                stk3310_reg_field_##name);                  \
-               if (IS_ERR(data->reg_##name)) {                             \
-                       dev_err(&client->dev, "reg field alloc failed.\n"); \
-                       return PTR_ERR(data->reg_##name);                   \
-               }                                                           \
+               if (IS_ERR(data->reg_##name))                               \
+                       return dev_err_probe(&client->dev,                  \
+                               PTR_ERR(data->reg_##name),                  \
+                               "reg field alloc failed.\n");               \
        } while (0)
 
 static const struct reg_field stk3310_reg_field_state =
@@ -480,22 +480,20 @@ static int stk3310_init(struct iio_dev *indio_dev)
        if (chipid != STK3310_CHIP_ID_VAL &&
            chipid != STK3311_CHIP_ID_VAL &&
            chipid != STK3311X_CHIP_ID_VAL &&
-           chipid != STK3335_CHIP_ID_VAL) {
-               dev_err(&client->dev, "invalid chip id: 0x%x\n", chipid);
-               return -ENODEV;
-       }
+           chipid != STK3335_CHIP_ID_VAL)
+               return dev_err_probe(&client->dev, -ENODEV,
+                                    "invalid chip id: 0x%x\n", chipid);
 
        state = STK3310_STATE_EN_ALS | STK3310_STATE_EN_PS;
        ret = stk3310_set_state(data, state);
-       if (ret < 0) {
-               dev_err(&client->dev, "failed to enable sensor");
-               return ret;
-       }
+       if (ret < 0)
+               return dev_err_probe(&client->dev, ret, "failed to enable 
sensor\n");
 
        /* Enable PS interrupts */
        ret = regmap_field_write(data->reg_int_ps, STK3310_PSINT_EN);
        if (ret < 0)
-               dev_err(&client->dev, "failed to enable interrupts!\n");
+               return dev_err_probe(&client->dev, ret,
+                                    "failed to enable interrupts!\n");
 
        return ret;
 }
@@ -530,10 +528,10 @@ static int stk3310_regmap_init(struct stk3310_data *data)
 
        client = data->client;
        regmap = devm_regmap_init_i2c(client, &stk3310_regmap_config);
-       if (IS_ERR(regmap)) {
-               dev_err(&client->dev, "regmap initialization failed.\n");
-               return PTR_ERR(regmap);
-       }
+       if (IS_ERR(regmap))
+               return dev_err_probe(&client->dev, PTR_ERR(regmap),
+                                    "regmap initialization failed.\n");
+
        data->regmap = regmap;
 
        STK3310_REGFIELD(state);
@@ -597,10 +595,8 @@ static int stk3310_probe(struct i2c_client *client)
        struct stk3310_data *data;
 
        indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
-       if (!indio_dev) {
-               dev_err(&client->dev, "iio allocation failed!\n");
-               return -ENOMEM;
-       }
+       if (!indio_dev)
+               return dev_err_probe(&client->dev, -ENOMEM, "iio allocation 
failed!\n");
 
        data = iio_priv(indio_dev);
        data->client = client;
@@ -655,15 +651,15 @@ static int stk3310_probe(struct i2c_client *client)
                                                IRQF_ONESHOT,
                                                STK3310_EVENT, indio_dev);
                if (ret < 0) {
-                       dev_err(&client->dev, "request irq %d failed\n",
-                               client->irq);
+                       dev_err_probe(&client->dev, ret, "request irq %d 
failed\n",
+                                     client->irq);
                        goto err_standby;
                }
        }
 
        ret = iio_device_register(indio_dev);
        if (ret < 0) {
-               dev_err(&client->dev, "device_register failed\n");
+               dev_err_probe(&client->dev, ret, "device_register failed\n");
                goto err_standby;
        }
 
-- 
2.44.0


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