mfd: tps65910: Rid data size incompatibility warn when building for 64bit

Extinguishes:

../drivers/mfd/tps65910.c: In function ‘tps65910_parse_dt’:
../drivers/mfd/tps65910.c:404:14:
warning: cast from pointer to integer of different size

Signed-off-by: Lee Jones <[e-mail]>

drivers/mfd/tps65910.c

···
 MODULE_DEVICE_TABLE(of, tps65910_of_match);
 
 static struct tps65910_board *tps65910_parse_dt(struct i2c_client *client,
-						int *chip_id)
+						unsigned long *chip_id)
 {
 	struct device_node *np = client->dev.of_node;
 	struct tps65910_board *board_info;
···
 		return NULL;
 	}
 
-	*chip_id  = (int)match->data;
+	*chip_id  = (unsigned long)match->data;
 
 	board_info = devm_kzalloc(&client->dev, sizeof(*board_info),
 			GFP_KERNEL);
···
 #else
 static inline
 struct tps65910_board *tps65910_parse_dt(struct i2c_client *client,
-					 int *chip_id)
+					 unsigned long *chip_id)
 {
 	return NULL;
 }
···
 }
 
 static int tps65910_i2c_probe(struct i2c_client *i2c,
-					const struct i2c_device_id *id)
+			      const struct i2c_device_id *id)
 {
 	struct tps65910 *tps65910;
 	struct tps65910_board *pmic_plat_data;
 	struct tps65910_board *of_pmic_plat_data = NULL;
 	struct tps65910_platform_data *init_data;
+	unsigned long chip_id = id->driver_data;
 	int ret = 0;
-	int chip_id = id->driver_data;
 
 	pmic_plat_data = dev_get_platdata(&i2c->dev);
 

include/linux/mfd/tps65910.h

···
 	struct device *dev;
 	struct i2c_client *i2c_client;
 	struct regmap *regmap;
-	unsigned int id;
+	unsigned long id;
 
 	/* Client devices */
 	struct tps65910_pmic *pmic;