regulator: pbias: Get rid of struct pbias_regulator_data

Only the desc field is really used, so use struct regulator_desc instead.
Then struct pbias_regulator_data can be removed.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20191007114320.20977-1-axel.lin@ingics.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/pbias-regulator.c

@@ -38,15 +38,6 @@ struct pbias_reg_info {
 	int n_voltages;
 };
 
-struct pbias_regulator_data {
-	struct regulator_desc desc;
-	void __iomem *pbias_addr;
-	struct regulator_dev *dev;
-	struct regmap *syscon;
-	const struct pbias_reg_info *info;
-	int voltage;
-};
-
 struct pbias_of_data {
 	unsigned int offset;
 };
@@ -157,13 +148,13 @@ MODULE_DEVICE_TABLE(of, pbias_of_match);
 static int pbias_regulator_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
-	struct pbias_regulator_data *drvdata;
 	struct resource *res;
 	struct regulator_config cfg = { };
+	struct regulator_desc *desc;
+	struct regulator_dev *rdev;
 	struct regmap *syscon;
 	const struct pbias_reg_info *info;
-	int ret = 0;
-	int count, idx, data_idx = 0;
+	int ret, count, idx;
 	const struct pbias_of_data *data;
 	unsigned int offset;
 
@@ -172,10 +163,8 @@ static int pbias_regulator_probe(struct platform_device *pdev)
 	if (count < 0)
 		return count;
 
-	drvdata = devm_kcalloc(&pdev->dev,
-			       count, sizeof(struct pbias_regulator_data),
-			       GFP_KERNEL);
-	if (!drvdata)
+	desc = devm_kcalloc(&pdev->dev, count, sizeof(*desc), GFP_KERNEL);
+	if (!desc)
 		return -ENOMEM;
 
 	syscon = syscon_regmap_lookup_by_phandle(np, "syscon");
@@ -198,7 +187,7 @@ static int pbias_regulator_probe(struct platform_device *pdev)
 	cfg.regmap = syscon;
 	cfg.dev = &pdev->dev;
 
-	for (idx = 0; idx < PBIAS_NUM_REGS && data_idx < count; idx++) {
+	for (idx = 0; idx < PBIAS_NUM_REGS && count; idx++) {
 		if (!pbias_matches[idx].init_data ||
 			!pbias_matches[idx].of_node)
 			continue;
@@ -207,41 +196,35 @@ static int pbias_regulator_probe(struct platform_device *pdev)
 		if (!info)
 			return -ENODEV;
 
-		drvdata[data_idx].syscon = syscon;
-		drvdata[data_idx].info = info;
-		drvdata[data_idx].desc.name = info->name;
-		drvdata[data_idx].desc.owner = THIS_MODULE;
-		drvdata[data_idx].desc.type = REGULATOR_VOLTAGE;
-		drvdata[data_idx].desc.ops = &pbias_regulator_voltage_ops;
-		drvdata[data_idx].desc.volt_table = info->pbias_volt_table;
-		drvdata[data_idx].desc.n_voltages = info->n_voltages;
-		drvdata[data_idx].desc.enable_time = info->enable_time;
-		drvdata[data_idx].desc.vsel_reg = offset;
-		drvdata[data_idx].desc.vsel_mask = info->vmode;
-		drvdata[data_idx].desc.enable_reg = offset;
-		drvdata[data_idx].desc.enable_mask = info->enable_mask;
-		drvdata[data_idx].desc.enable_val = info->enable;
-		drvdata[data_idx].desc.disable_val = info->disable_val;
+		desc->name = info->name;
+		desc->owner = THIS_MODULE;
+		desc->type = REGULATOR_VOLTAGE;
+		desc->ops = &pbias_regulator_voltage_ops;
+		desc->volt_table = info->pbias_volt_table;
+		desc->n_voltages = info->n_voltages;
+		desc->enable_time = info->enable_time;
+		desc->vsel_reg = offset;
+		desc->vsel_mask = info->vmode;
+		desc->enable_reg = offset;
+		desc->enable_mask = info->enable_mask;
+		desc->enable_val = info->enable;
+		desc->disable_val = info->disable_val;
 
 		cfg.init_data = pbias_matches[idx].init_data;
-		cfg.driver_data = &drvdata[data_idx];
 		cfg.of_node = pbias_matches[idx].of_node;
 
-		drvdata[data_idx].dev = devm_regulator_register(&pdev->dev,
-					&drvdata[data_idx].desc, &cfg);
-		if (IS_ERR(drvdata[data_idx].dev)) {
-			ret = PTR_ERR(drvdata[data_idx].dev);
+		rdev = devm_regulator_register(&pdev->dev, desc, &cfg);
+		if (IS_ERR(rdev)) {
+			ret = PTR_ERR(rdev);
 			dev_err(&pdev->dev,
 				"Failed to register regulator: %d\n", ret);
-			goto err_regulator;
+			return ret;
 		}
-		data_idx++;
+		desc++;
+		count--;
 	}
 
-	platform_set_drvdata(pdev, drvdata);
-
-err_regulator:
-	return ret;
+	return 0;
 }
 
 static struct platform_driver pbias_regulator_driver = {