diff options
| author | Marc Titinger <mtitinger@baylibre.com> | 2015-10-27 10:51:08 +0100 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2015-10-28 21:53:15 -0700 |
| commit | 001e2e730ce4e6dc2cd97fcb169097febfc7b200 (patch) | |
| tree | b35a1685846d33889e454f81541a377edaeb77e7 /drivers/hwmon/ina2xx.c | |
| parent | a0de56c81fcf9f1a691e22e519b0dff21c48c645 (diff) | |
hwmon: (ina2xx) give precedence to DT over checking for platform data.
when checking for the value of the shunt resistor.
Signed-off-by: Marc Titinger <mtitinger@baylibre.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/ina2xx.c')
| -rw-r--r-- | drivers/hwmon/ina2xx.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c index 96862c6eae74..1ba0c72c2b8f 100644 --- a/drivers/hwmon/ina2xx.c +++ b/drivers/hwmon/ina2xx.c @@ -420,7 +420,6 @@ static const struct attribute_group ina226_group = { static int ina2xx_probe(struct i2c_client *client, const struct i2c_device_id *id) { - struct ina2xx_platform_data *pdata; struct device *dev = &client->dev; struct ina2xx_data *data; struct device *hwmon_dev; @@ -431,24 +430,24 @@ static int ina2xx_probe(struct i2c_client *client, if (!data) return -ENOMEM; - if (dev_get_platdata(dev)) { - pdata = dev_get_platdata(dev); - data->rshunt = pdata->shunt_uohms; - } else if (!of_property_read_u32(dev->of_node, - "shunt-resistor", &val)) { - data->rshunt = val; - } else { - data->rshunt = INA2XX_RSHUNT_DEFAULT; - } - /* set the device type */ data->kind = id->driver_data; data->config = &ina2xx_config[data->kind]; - if (data->rshunt <= 0 || - data->rshunt > data->config->calibration_factor) + if (of_property_read_u32(dev->of_node, "shunt-resistor", &val) < 0) { + struct ina2xx_platform_data *pdata = dev_get_platdata(dev); + + if (pdata) + val = pdata->shunt_uohms; + else + val = INA2XX_RSHUNT_DEFAULT; + } + + if (val <= 0 || val > data->config->calibration_factor) return -ENODEV; + data->rshunt = val; + ina2xx_regmap_config.max_register = data->config->registers; data->regmap = devm_regmap_init_i2c(client, &ina2xx_regmap_config); |