diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/ntc_thermistor.c | 52 |
1 files changed, 25 insertions, 27 deletions
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index 485701ca3609..6b2d5222521f 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -256,7 +256,6 @@ struct ntc_data { struct device *hwmon_dev; struct ntc_thermistor_platform_data *pdata; const struct ntc_compensation *comp; - struct device *dev; int n_comp; char name[PLATFORM_NAME_SIZE]; }; @@ -316,22 +315,22 @@ static const struct of_device_id ntc_match[] = { MODULE_DEVICE_TABLE(of, ntc_match); static struct ntc_thermistor_platform_data * -ntc_thermistor_parse_dt(struct platform_device *pdev) +ntc_thermistor_parse_dt(struct device *dev) { struct iio_channel *chan; enum iio_chan_type type; - struct device_node *np = pdev->dev.of_node; + struct device_node *np = dev->of_node; struct ntc_thermistor_platform_data *pdata; int ret; if (!np) return NULL; - pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) return ERR_PTR(-ENOMEM); - chan = devm_iio_channel_get(&pdev->dev, NULL); + chan = devm_iio_channel_get(dev, NULL); if (IS_ERR(chan)) return ERR_CAST(chan); @@ -361,7 +360,7 @@ ntc_thermistor_parse_dt(struct platform_device *pdev) } #else static struct ntc_thermistor_platform_data * -ntc_thermistor_parse_dt(struct platform_device *pdev) +ntc_thermistor_parse_dt(struct device *dev) { return NULL; } @@ -572,33 +571,34 @@ static const struct thermal_zone_of_device_ops ntc_of_thermal_ops = { static int ntc_thermistor_probe(struct platform_device *pdev) { struct thermal_zone_device *tz; + struct device *dev = &pdev->dev; const struct of_device_id *of_id = - of_match_device(of_match_ptr(ntc_match), &pdev->dev); + of_match_device(of_match_ptr(ntc_match), dev); const struct platform_device_id *pdev_id; struct ntc_thermistor_platform_data *pdata; struct ntc_data *data; int ret; - pdata = ntc_thermistor_parse_dt(pdev); + pdata = ntc_thermistor_parse_dt(dev); if (IS_ERR(pdata)) return PTR_ERR(pdata); else if (pdata == NULL) - pdata = dev_get_platdata(&pdev->dev); + pdata = dev_get_platdata(dev); if (!pdata) { - dev_err(&pdev->dev, "No platform init data supplied.\n"); + dev_err(dev, "No platform init data supplied.\n"); return -ENODEV; } /* Either one of the two is required. */ if (!pdata->read_uv && !pdata->read_ohm) { - dev_err(&pdev->dev, + dev_err(dev, "Both read_uv and read_ohm missing. Need either one of the two.\n"); return -EINVAL; } if (pdata->read_uv && pdata->read_ohm) { - dev_warn(&pdev->dev, + dev_warn(dev, "Only one of read_uv and read_ohm is needed; ignoring read_uv.\n"); pdata->read_uv = NULL; } @@ -610,18 +610,16 @@ static int ntc_thermistor_probe(struct platform_device *pdev) NTC_CONNECTED_POSITIVE) || (pdata->connect != NTC_CONNECTED_POSITIVE && pdata->connect != NTC_CONNECTED_GROUND))) { - dev_err(&pdev->dev, - "Required data to use read_uv not supplied.\n"); + dev_err(dev, "Required data to use read_uv not supplied.\n"); return -EINVAL; } - data = devm_kzalloc(&pdev->dev, sizeof(struct ntc_data), GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(struct ntc_data), GFP_KERNEL); if (!data) return -ENOMEM; pdev_id = of_id ? of_id->data : platform_get_device_id(pdev); - data->dev = &pdev->dev; data->pdata = pdata; strlcpy(data->name, pdev_id->name, sizeof(data->name)); @@ -647,37 +645,37 @@ static int ntc_thermistor_probe(struct platform_device *pdev) data->n_comp = ARRAY_SIZE(ncpXXxh103); break; default: - dev_err(&pdev->dev, "Unknown device type: %lu(%s)\n", + dev_err(dev, "Unknown device type: %lu(%s)\n", pdev_id->driver_data, pdev_id->name); return -EINVAL; } platform_set_drvdata(pdev, data); - ret = sysfs_create_group(&data->dev->kobj, &ntc_attr_group); + ret = sysfs_create_group(&dev->kobj, &ntc_attr_group); if (ret) { - dev_err(data->dev, "unable to create sysfs files\n"); + dev_err(dev, "unable to create sysfs files\n"); return ret; } - data->hwmon_dev = hwmon_device_register(data->dev); + data->hwmon_dev = hwmon_device_register(dev); if (IS_ERR(data->hwmon_dev)) { - dev_err(data->dev, "unable to register as hwmon device.\n"); + dev_err(dev, "unable to register as hwmon device.\n"); ret = PTR_ERR(data->hwmon_dev); goto err_after_sysfs; } - dev_info(&pdev->dev, "Thermistor type: %s successfully probed.\n", - pdev_id->name); + dev_info(dev, "Thermistor type: %s successfully probed.\n", + pdev_id->name); - tz = devm_thermal_zone_of_sensor_register(data->dev, 0, data->dev, + tz = devm_thermal_zone_of_sensor_register(dev, 0, dev, &ntc_of_thermal_ops); if (IS_ERR(tz)) - dev_dbg(&pdev->dev, "Failed to register to thermal fw.\n"); + dev_dbg(dev, "Failed to register to thermal fw.\n"); return 0; err_after_sysfs: - sysfs_remove_group(&data->dev->kobj, &ntc_attr_group); + sysfs_remove_group(&dev->kobj, &ntc_attr_group); return ret; } @@ -686,7 +684,7 @@ static int ntc_thermistor_remove(struct platform_device *pdev) struct ntc_data *data = platform_get_drvdata(pdev); hwmon_device_unregister(data->hwmon_dev); - sysfs_remove_group(&data->dev->kobj, &ntc_attr_group); + sysfs_remove_group(&pdev->dev.kobj, &ntc_attr_group); return 0; } |