mfd: fsl-imx25: Use devm_of_platform_populate()

Use devm_of_platform_populate() to be sure that of_platform_depopulate
is called when removing the driver.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/fsl-imx25-tsadc.c

@@ -129,7 +129,6 @@ static void mx25_tsadc_setup_clk(struct platform_device *pdev,
 static int mx25_tsadc_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct device_node *np = dev->of_node;
 	struct mx25_tsadc *tsadc;
 	struct resource *res;
 	int ret;
@@ -178,9 +177,7 @@ static int mx25_tsadc_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, tsadc);
 
-	of_platform_populate(np, NULL, NULL, dev);
-
-	return 0;
+	return devm_of_platform_populate(dev);
 }
 
 static const struct of_device_id mx25_tsadc_ids[] = {