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

Extinguishes:

../drivers/mfd/arizona-core.c: In function ‘arizona_of_get_type’:
../drivers/mfd/arizona-core.c:505:10:
	warning: cast from pointer to integer of different size
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/arizona-core.c

@@ -497,12 +497,12 @@ const struct dev_pm_ops arizona_pm_ops = {
 EXPORT_SYMBOL_GPL(arizona_pm_ops);
 
 #ifdef CONFIG_OF
-int arizona_of_get_type(struct device *dev)
+unsigned long arizona_of_get_type(struct device *dev)
 {
 	const struct of_device_id *id = of_match_device(arizona_of_match, dev);
 
 	if (id)
-		return (int)id->data;
+		return (unsigned long)id->data;
 	else
 		return 0;
 }

drivers/mfd/arizona-i2c.c

@@ -28,7 +28,8 @@ static int arizona_i2c_probe(struct i2c_client *i2c,
 {
 	struct arizona *arizona;
 	const struct regmap_config *regmap_config;
-	int ret, type;
+	unsigned long type;
+	int ret;
 
 	if (i2c->dev.of_node)
 		type = arizona_of_get_type(&i2c->dev);

drivers/mfd/arizona-spi.c

@@ -28,7 +28,8 @@ static int arizona_spi_probe(struct spi_device *spi)
 	const struct spi_device_id *id = spi_get_device_id(spi);
 	struct arizona *arizona;
 	const struct regmap_config *regmap_config;
-	int ret, type;
+	unsigned long type;
+	int ret;
 
 	if (spi->dev.of_node)
 		type = arizona_of_get_type(&spi->dev);

drivers/mfd/arizona.h

@@ -46,9 +46,9 @@ int arizona_irq_init(struct arizona *arizona);
 int arizona_irq_exit(struct arizona *arizona);
 
 #ifdef CONFIG_OF
-int arizona_of_get_type(struct device *dev);
+unsigned long arizona_of_get_type(struct device *dev);
 #else
-static inline int arizona_of_get_type(struct device *dev)
+static inline unsigned long arizona_of_get_type(struct device *dev)
 {
 	return 0;
 }