regulator: wm831x: Register all normal regulators

Register all normal regulators rather than skipping unconfigured ones now
that the core can handle regulators without init data. Skip the boost and
isink regulators since they are normally controlled by other drivers.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 3de56f5..318b963 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -477,9 +477,6 @@
 
 	dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
 
-	if (pdata == NULL || pdata->dcdc[id] == NULL)
-		return -ENODEV;
-
 	dcdc = devm_kzalloc(&pdev->dev,  sizeof(struct wm831x_dcdc),
 			    GFP_KERNEL);
 	if (dcdc == NULL) {
@@ -525,7 +522,8 @@
 		wm831x_buckv_dvs_init(dcdc, pdata->dcdc[id]->driver_data);
 
 	config.dev = pdev->dev.parent;
-	config.init_data = pdata->dcdc[id];
+	if (pdata)
+		config.init_data = pdata->dcdc[id];
 	config.driver_data = dcdc;
 	config.regmap = wm831x->regmap;
 
@@ -680,9 +678,6 @@
 
 	dev_dbg(&pdev->dev, "Probing DCDC%d\n", id + 1);
 
-	if (pdata == NULL || pdata->dcdc[id] == NULL)
-		return -ENODEV;
-
 	dcdc = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_dcdc),
 			    GFP_KERNEL);
 	if (dcdc == NULL) {
@@ -713,7 +708,8 @@
 	dcdc->desc.enable_mask = 1 << id;
 
 	config.dev = pdev->dev.parent;
-	config.init_data = pdata->dcdc[id];
+	if (pdata)
+		config.init_data = pdata->dcdc[id];
 	config.driver_data = dcdc;
 	config.regmap = wm831x->regmap;
 
@@ -925,9 +921,6 @@
 
 	dev_dbg(&pdev->dev, "Probing EPE%d\n", id + 1);
 
-	if (pdata == NULL || pdata->epe[id] == NULL)
-		return -ENODEV;
-
 	dcdc = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_dcdc), GFP_KERNEL);
 	if (dcdc == NULL) {
 		dev_err(&pdev->dev, "Unable to allocate private data\n");
@@ -949,7 +942,8 @@
 	dcdc->desc.enable_mask = 1 << dcdc->desc.id;
 
 	config.dev = pdev->dev.parent;
-	config.init_data = pdata->epe[id];
+	if (pdata)
+		config.init_data = pdata->epe[id];
 	config.driver_data = dcdc;
 	config.regmap = wm831x->regmap;