[PATCH v2 4/6] iio: light: stk3310: use dev_err_probe where possible

Aren Moynihan
2024-04-23T23:46:11Z

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 <aren@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