mfd: Remove the parsing of dt info for tps65910 gpio

Remove the parsing of device node information for sub devices
from core file.
The sub devices will parse the information as per the sub-devices
specific information.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

drivers/mfd/tps65910.c

@@ -146,9 +146,7 @@ static struct tps65910_board *tps65910_parse_dt(struct i2c_client *client,
 	struct tps65910_board *board_info;
 	unsigned int prop;
 	const struct of_device_id *match;
-	unsigned int prop_array[TPS6591X_MAX_NUM_GPIO];
 	int ret = 0;
-	int idx;
 
 	match = of_match_device(tps65910_of_match, &client->dev);
 	if (!match) {
@@ -177,21 +175,8 @@ static struct tps65910_board *tps65910_parse_dt(struct i2c_client *client,
 	else if (*chip_id == TPS65911)
 		dev_warn(&client->dev, "VMBCH2-Threshold not specified");
 
-	ret = of_property_read_u32_array(np, "ti,en-gpio-sleep",
-				   prop_array, TPS6591X_MAX_NUM_GPIO);
-	if (!ret)
-		for (idx = 0; idx < ARRAY_SIZE(prop_array); idx++)
-			board_info->en_gpio_sleep[idx] = (prop_array[idx] != 0);
-	else if (ret != -EINVAL) {
-		dev_err(&client->dev,
-			"error reading property ti,en-gpio-sleep: %d\n.", ret);
-		return NULL;
-	}
-
-
 	board_info->irq = client->irq;
 	board_info->irq_base = -1;
-	board_info->gpio_base = -1;
 
 	return board_info;
 }