gpio: xlp: Use of_device_get_match_data()

Use of_device_get_match_data() instead of open-coding it.

Signed-off-by: Thierry Reding <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>

drivers/gpio/gpio-xlp.c

···
 		return irq;
 
 	if (pdev->dev.of_node) {
-		const struct of_device_id *of_id;
-
-		of_id = of_match_device(xlp_gpio_of_ids, &pdev->dev);
-		if (!of_id) {
-			dev_err(&pdev->dev, "Unable to match OF ID\n");
-			return -ENODEV;
-		}
-		soc_type = (uintptr_t) of_id->data;
+		soc_type = (uintptr_t)of_device_get_match_data(&pdev->dev);
 	} else {
 		const struct acpi_device_id *acpi_id;