regulator: ab8500: Remove ab8500_regulator_of_probe()

Now this is a DT-only driver because non-devicetree probe path is removed,
so merge ab8500_regulator_of_probe() into ab8500_regulator_probe().
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>

drivers/regulator/ab8500.c

@@ -3037,28 +3037,12 @@ static int ab8500_regulator_register(struct platform_device *pdev,
 	return 0;
 }
 
-static int
-ab8500_regulator_of_probe(struct platform_device *pdev,
-			  struct device_node *np)
-{
-	struct of_regulator_match *match = abx500_regulator.match;
-	int err, i;
-
-	for (i = 0; i < abx500_regulator.info_size; i++) {
-		err = ab8500_regulator_register(
-			pdev, match[i].init_data, i, match[i].of_node);
-		if (err)
-			return err;
-	}
-
-	return 0;
-}
-
 static int ab8500_regulator_probe(struct platform_device *pdev)
 {
 	struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent);
 	struct device_node *np = pdev->dev.of_node;
-	int err;
+	struct of_regulator_match *match;
+	int err, i;
 
 	if (!ab8500) {
 		dev_err(&pdev->dev, "null mfd parent\n");
@@ -3075,7 +3059,16 @@ static int ab8500_regulator_probe(struct platform_device *pdev)
 			"Error parsing regulator init data: %d\n", err);
 		return err;
 	}
-	return ab8500_regulator_of_probe(pdev, np);
+
+	match = abx500_regulator.match;
+	for (i = 0; i < abx500_regulator.info_size; i++) {
+		err = ab8500_regulator_register(pdev, match[i].init_data, i,
+						match[i].of_node);
+		if (err)
+			return err;
+	}
+
+	return 0;
 }
 
 static int ab8500_regulator_remove(struct platform_device *pdev)