Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/gpio/gpio-iop.c b/drivers/gpio/gpio-iop.c
index 8d62db4..7390b5c 100644
--- a/drivers/gpio/gpio-iop.c
+++ b/drivers/gpio/gpio-iop.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * arch/arm/plat-iop/gpio.c
  * GPIO handling for Intel IOP3xx processors.
  *
  * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
  */
 
 #include <linux/err.h>
@@ -21,7 +17,6 @@
 
 static int iop3xx_gpio_probe(struct platform_device *pdev)
 {
-	struct resource *res;
 	struct gpio_chip *gc;
 	void __iomem *base;
 	int err;
@@ -30,8 +25,7 @@
 	if (!gc)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	base = devm_ioremap_resource(&pdev->dev, res);
+	base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(base))
 		return PTR_ERR(base);
 
@@ -42,6 +36,7 @@
 
 	gc->base = 0;
 	gc->owner = THIS_MODULE;
+	gc->label = "gpio-iop";
 
 	return devm_gpiochip_add_data(&pdev->dev, gc, NULL);
 }