gpio: ingenic: Use of_device_get_match_data()

Use of_device_get_match_data() instead of open-coding it.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-ingenic.c

@@ -285,8 +285,6 @@ MODULE_DEVICE_TABLE(of, ingenic_gpio_of_match);
 static int ingenic_gpio_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	const struct of_device_id *of_id = of_match_device(
-			ingenic_gpio_of_match, dev);
 	struct ingenic_gpio_chip *jzgc;
 	u32 bank;
 	int err;
@@ -323,7 +321,7 @@ static int ingenic_gpio_probe(struct platform_device *pdev)
 	jzgc->gc.parent = dev;
 	jzgc->gc.of_node = dev->of_node;
 	jzgc->gc.owner = THIS_MODULE;
-	jzgc->version = (enum jz_version)of_id->data;
+	jzgc->version = (enum jz_version)of_device_get_match_data(dev);
 
 	jzgc->gc.set = ingenic_gpio_set;
 	jzgc->gc.get = ingenic_gpio_get;