Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index 044888f..92e127e 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2011 Jamie Iles
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  * All enquiries to support@picochip.com
  */
 #include <linux/acpi.h>
@@ -30,6 +27,7 @@
 #include <linux/slab.h>
 
 #include "gpiolib.h"
+#include "gpiolib-acpi.h"
 
 #define GPIO_SWPORTA_DR		0x00
 #define GPIO_SWPORTA_DDR	0x04
@@ -655,7 +653,6 @@
 static int dwapb_gpio_probe(struct platform_device *pdev)
 {
 	unsigned int i;
-	struct resource *res;
 	struct dwapb_gpio *gpio;
 	int err;
 	struct device *dev = &pdev->dev;
@@ -688,8 +685,7 @@
 	if (!gpio->ports)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	gpio->regs = devm_ioremap_resource(&pdev->dev, res);
+	gpio->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(gpio->regs))
 		return PTR_ERR(gpio->regs);
 
@@ -748,8 +744,7 @@
 #ifdef CONFIG_PM_SLEEP
 static int dwapb_gpio_suspend(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct dwapb_gpio *gpio = platform_get_drvdata(pdev);
+	struct dwapb_gpio *gpio = dev_get_drvdata(dev);
 	struct gpio_chip *gc	= &gpio->ports[0].gc;
 	unsigned long flags;
 	int i;
@@ -793,8 +788,7 @@
 
 static int dwapb_gpio_resume(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct dwapb_gpio *gpio = platform_get_drvdata(pdev);
+	struct dwapb_gpio *gpio = dev_get_drvdata(dev);
 	struct gpio_chip *gc	= &gpio->ports[0].gc;
 	unsigned long flags;
 	int i;