mfd: tps65217: Naturalise cross-architecture discrepancies

If we compile the TPS65217 for a 64bit architecture we receive the following
warnings:

drivers/mfd/tps65217.c: In function ‘tps65217_probe’:
drivers/mfd/tps65217.c:173:13:
  warning: cast from pointer to integer of different size
   chip_id = (unsigned int)match->data;
             ^
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/tps65217.c

@@ -158,7 +158,7 @@ static int tps65217_probe(struct i2c_client *client,
 {
 	struct tps65217 *tps;
 	unsigned int version;
-	unsigned int chip_id = ids->driver_data;
+	unsigned long chip_id = ids->driver_data;
 	const struct of_device_id *match;
 	bool status_off = false;
 	int ret;
@@ -170,7 +170,7 @@ static int tps65217_probe(struct i2c_client *client,
 				"Failed to find matching dt id\n");
 			return -EINVAL;
 		}
-		chip_id = (unsigned int)(unsigned long)match->data;
+		chip_id = (unsigned long)match->data;
 		status_off = of_property_read_bool(client->dev.of_node,
 					"ti,pmic-shutdown-controller");
 	}

include/linux/mfd/tps65217.h

@@ -252,7 +252,7 @@ struct tps65217_board {
 struct tps65217 {
 	struct device *dev;
 	struct tps65217_board *pdata;
-	unsigned int id;
+	unsigned long id;
 	struct regulator_desc desc[TPS65217_NUM_REGULATOR];
 	struct regulator_dev *rdev[TPS65217_NUM_REGULATOR];
 	struct regmap *regmap;
@@ -263,7 +263,7 @@ static inline struct tps65217 *dev_to_tps65217(struct device *dev)
 	return dev_get_drvdata(dev);
 }
 
-static inline int tps65217_chip_id(struct tps65217 *tps65217)
+static inline unsigned long tps65217_chip_id(struct tps65217 *tps65217)
 {
 	return tps65217->id;
 }