mfd: max77686: Don't attempt to get i2c_device_id .data

The driver is only used in platforms that have DT support so always the
I2C device .data will be get from the matched OF node and never will be
from the I2C device ID table.
Signed-off-by: NJavier Martinez Canillas <javier@osg.samsung.com>
Acked-by: NLaxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: NKrzysztof Kozlowski <krzk@kernel.org>
Tested-by: NKrzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

drivers/mfd/max77686.c

@@ -188,14 +188,11 @@ static int max77686_i2c_probe(struct i2c_client *i2c,
 	if (!max77686)
 		return -ENOMEM;
 
-	if (i2c->dev.of_node) {
-		match = of_match_node(max77686_pmic_dt_match, i2c->dev.of_node);
-		if (!match)
-			return -EINVAL;
-
-		max77686->type = (unsigned long)match->data;
-	} else
-		max77686->type = id->driver_data;
+	match = of_match_node(max77686_pmic_dt_match, i2c->dev.of_node);
+	if (!match)
+		return -EINVAL;
+
+	max77686->type = (unsigned long)match->data;
 
 	i2c_set_clientdata(i2c, max77686);
 	max77686->dev = &i2c->dev;