gpio: madera: Use local copy of pdata

A local copy of the pdata exists and it should be used rather than
pulling a fresh copy.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20190722090748.20807-2-ckeepax@opensource.cirrus.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-madera.c

@@ -120,7 +120,7 @@ static const struct gpio_chip madera_gpio_chip = {
 static int madera_gpio_probe(struct platform_device *pdev)
 {
 	struct madera *madera = dev_get_drvdata(pdev->dev.parent);
-	struct madera_pdata *pdata = dev_get_platdata(madera->dev);
+	struct madera_pdata *pdata = &madera->pdata;
 	struct madera_gpio *madera_gpio;
 	int ret;
 
@@ -153,7 +153,7 @@ static int madera_gpio_probe(struct platform_device *pdev)
 	}
 
 	/* We want to be usable on systems that don't use devicetree or acpi */
-	if (pdata && pdata->gpio_base)
+	if (pdata->gpio_base)
 		madera_gpio->gpio_chip.base = pdata->gpio_base;
 	else
 		madera_gpio->gpio_chip.base = -1;