[PATCH v1 2/3] hwmon: tmp513: Simplify with dev_err_probe()

From: Andy Shevchenko
Date: Tue Nov 28 2023 - 13:08:10 EST


Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/hwmon/tmp513.c | 34 ++++++++++++++--------------------
1 file changed, 14 insertions(+), 20 deletions(-)

diff --git a/drivers/hwmon/tmp513.c b/drivers/hwmon/tmp513.c
index 849a8c3e1020..6e01800404fc 100644
--- a/drivers/hwmon/tmp513.c
+++ b/drivers/hwmon/tmp513.c
@@ -630,9 +630,9 @@ static int tmp51x_vbus_range_to_reg(struct device *dev,
} else if (data->vbus_range_uvolt == TMP51X_VBUS_RANGE_16V) {
data->shunt_config &= ~TMP51X_BUS_VOLTAGE_MASK;
} else {
- dev_err(dev, "ti,bus-range-microvolt is invalid: %u\n",
- data->vbus_range_uvolt);
- return -EINVAL;
+ return dev_err_probe(dev, -EINVAL,
+ "ti,bus-range-microvolt is invalid: %u\n",
+ data->vbus_range_uvolt);
}
return 0;
}
@@ -648,8 +648,8 @@ static int tmp51x_pga_gain_to_reg(struct device *dev, struct tmp51x_data *data)
} else if (data->pga_gain == 1) {
data->shunt_config |= CURRENT_SENSE_VOLTAGE_40_MASK;
} else {
- dev_err(dev, "ti,pga-gain is invalid: %u\n", data->pga_gain);
- return -EINVAL;
+ return dev_err_probe(dev, -EINVAL,
+ "ti,pga-gain is invalid: %u\n", data->pga_gain);
}
return 0;
}
@@ -679,9 +679,9 @@ static int tmp51x_read_properties(struct device *dev, struct tmp51x_data *data)

// Check if shunt value is compatible with pga-gain
if (data->shunt_uohms > data->pga_gain * 40 * 1000 * 1000) {
- dev_err(dev, "shunt-resistor: %u too big for pga_gain: %u\n",
- data->shunt_uohms, data->pga_gain);
- return -EINVAL;
+ return dev_err_probe(dev, -EINVAL,
+ "shunt-resistor: %u too big for pga_gain: %u\n",
+ data->shunt_uohms, data->pga_gain);
}

return 0;
@@ -721,22 +721,16 @@ static int tmp51x_probe(struct i2c_client *client)
data->max_channels = (uintptr_t)i2c_get_match_data(client);

ret = tmp51x_configure(dev, data);
- if (ret < 0) {
- dev_err(dev, "error configuring the device: %d\n", ret);
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "error configuring the device\n");

data->regmap = devm_regmap_init_i2c(client, &tmp51x_regmap_config);
- if (IS_ERR(data->regmap)) {
- dev_err(dev, "failed to allocate register map\n");
- return PTR_ERR(data->regmap);
- }
+ if (IS_ERR(data->regmap))
+ return dev_err_probe(dev, PTR_ERR(data->regmap), "failed to allocate register map\n");

ret = tmp51x_init(data);
- if (ret < 0) {
- dev_err(dev, "error configuring the device: %d\n", ret);
- return -ENODEV;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "error configuring the device\n");

hwmon_dev = devm_hwmon_device_register_with_info(dev, client->name,
data,
--
2.43.0.rc1.1.gbec44491f096