mfd: max77843: Convert to i2c_new_dummy_device

Move from i2c_new_dummy() to i2c_new_dummy_device(), so we now get an
ERRPTR which we use in error handling.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/max77843.c

@@ -70,11 +70,11 @@ static int max77843_chg_init(struct max77693_dev *max77843)
 {
 	int ret;
 
-	max77843->i2c_chg = i2c_new_dummy(max77843->i2c->adapter, I2C_ADDR_CHG);
-	if (!max77843->i2c_chg) {
+	max77843->i2c_chg = i2c_new_dummy_device(max77843->i2c->adapter, I2C_ADDR_CHG);
+	if (IS_ERR(max77843->i2c_chg)) {
 		dev_err(&max77843->i2c->dev,
 				"Cannot allocate I2C device for Charger\n");
-		return -ENODEV;
+		return PTR_ERR(max77843->i2c_chg);
 	}
 	i2c_set_clientdata(max77843->i2c_chg, max77843);