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>
diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c
index 96862c6..1ba0c72 100644
--- a/drivers/hwmon/ina2xx.c
+++ b/drivers/hwmon/ina2xx.c
@@ -420,7 +420,6 @@
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 @@
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);