mfd: sec: Change device_type to int

Now that sec-i2c doesn't match device type by pointer casting anymore,
we can switch the device type from unsigned long to int easily.

This saves a few bytes in struct sec_pmic_dev due to member alignment.

Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://lore.kernel.org/r/20250409-s2mpg10-v4-18-d66d5f39b6bf@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>

Author: andred

drivers/mfd/sec-common.c

@@ -155,9 +155,8 @@ sec_pmic_parse_dt_pdata(struct device *dev)
 	return pd;
 }
 
-int sec_pmic_probe(struct device *dev, unsigned long device_type,
-		   unsigned int irq, struct regmap *regmap,
-		   struct i2c_client *client)
+int sec_pmic_probe(struct device *dev, int device_type, unsigned int irq,
+		   struct regmap *regmap, struct i2c_client *client)
 {
 	struct sec_platform_data *pdata;
 	const struct mfd_cell *sec_devs;
@@ -232,7 +231,7 @@ int sec_pmic_probe(struct device *dev, unsigned long device_type,
 		break;
 	default:
 		return dev_err_probe(sec_pmic->dev, -EINVAL,
-				     "Unsupported device type %lu\n",
+				     "Unsupported device type %d\n",
 				     sec_pmic->device_type);
 	}
 	ret = devm_mfd_add_devices(sec_pmic->dev, -1, sec_devs, num_sec_devs,
@@ -266,7 +265,7 @@ void sec_pmic_shutdown(struct device *dev)
 		 * ignore the rest.
 		 */
 		dev_warn(sec_pmic->dev,
-			 "Unsupported device %lu for manual power off\n",
+			 "Unsupported device %d for manual power off\n",
 			 sec_pmic->device_type);
 		return;
 	}

drivers/mfd/sec-core.h

@@ -14,9 +14,8 @@ struct i2c_client;
 
 extern const struct dev_pm_ops sec_pmic_pm_ops;
 
-int sec_pmic_probe(struct device *dev, unsigned long device_type,
-		   unsigned int irq, struct regmap *regmap,
-		   struct i2c_client *client);
+int sec_pmic_probe(struct device *dev, int device_type, unsigned int irq,
+		   struct regmap *regmap, struct i2c_client *client);
 void sec_pmic_shutdown(struct device *dev);
 
 int sec_irq_init(struct sec_pmic_dev *sec_pmic);

drivers/mfd/sec-i2c.c

@@ -27,7 +27,7 @@
 
 struct sec_pmic_i2c_platform_data {
 	const struct regmap_config *regmap_cfg;
-	unsigned long device_type;
+	int device_type;
 };
 
 static bool s2mpa01_volatile(struct device *dev, unsigned int reg)

drivers/mfd/sec-irq.c

@@ -449,10 +449,9 @@ static const struct regmap_irq_chip s5m8767_irq_chip = {
 int sec_irq_init(struct sec_pmic_dev *sec_pmic)
 {
 	int ret = 0;
-	int type = sec_pmic->device_type;
 	const struct regmap_irq_chip *sec_irq_chip;
 
-	switch (type) {
+	switch (sec_pmic->device_type) {
 	case S5M8767X:
 		sec_irq_chip = &s5m8767_irq_chip;
 		break;
@@ -484,7 +483,7 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
 		break;
 	default:
 		return dev_err_probe(sec_pmic->dev, -EINVAL,
-				     "Unsupported device type %lu\n",
+				     "Unsupported device type %d\n",
 				     sec_pmic->device_type);
 	}
 

include/linux/mfd/samsung/core.h

@@ -67,7 +67,7 @@ struct sec_pmic_dev {
 	struct regmap *regmap_pmic;
 	struct i2c_client *i2c;
 
-	unsigned long device_type;
+	int device_type;
 	int irq;
 	struct regmap_irq_chip_data *irq_data;
 };