regulator: act8865: Remove unnecessary *rdev[] from struct act8865

Now we are using devm_regulator_register(), so we don't need the *rdev[] array
to store return value of devm_regulator_register. Use a *rdev variable is
enough for checking return status.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Wenyou Yang <Wenyou.yang@atmel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

drivers/regulator/act8865-regulator.c

@@ -62,7 +62,6 @@
 #define	ACT8865_VOLTAGE_NUM	64
 
 struct act8865 {
-	struct regulator_dev *rdev[ACT8865_REG_NUM];
 	struct regmap *regmap;
 };
 
@@ -256,7 +255,7 @@ static inline int act8865_pdata_from_dt(struct device *dev,
 static int act8865_pmic_probe(struct i2c_client *client,
 			   const struct i2c_device_id *i2c_id)
 {
-	struct regulator_dev **rdev;
+	struct regulator_dev *rdev;
 	struct device *dev = &client->dev;
 	struct act8865_platform_data *pdata = dev_get_platdata(dev);
 	struct regulator_config config = { };
@@ -290,8 +289,6 @@ static int act8865_pmic_probe(struct i2c_client *client,
 	if (!act8865)
 		return -ENOMEM;
 
-	rdev = act8865->rdev;
-
 	act8865->regmap = devm_regmap_init_i2c(client, &act8865_regmap_config);
 	if (IS_ERR(act8865->regmap)) {
 		error = PTR_ERR(act8865->regmap);
@@ -311,12 +308,12 @@ static int act8865_pmic_probe(struct i2c_client *client,
 		config.driver_data = act8865;
 		config.regmap = act8865->regmap;
 
-		rdev[i] = devm_regulator_register(&client->dev,
-						&act8865_reg[i], &config);
-		if (IS_ERR(rdev[i])) {
+		rdev = devm_regulator_register(&client->dev, &act8865_reg[i],
+					       &config);
+		if (IS_ERR(rdev)) {
 			dev_err(dev, "failed to register %s\n",
 				act8865_reg[id].name);
-			return PTR_ERR(rdev[i]);
+			return PTR_ERR(rdev);
 		}
 	}