Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/gpio/gpio-arizona.c b/drivers/gpio/gpio-arizona.c
index ba51ea1..5640efe 100644
--- a/drivers/gpio/gpio-arizona.c
+++ b/drivers/gpio/gpio-arizona.c
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * gpiolib support for Wolfson Arizona class devices
  *
  * Copyright 2012 Wolfson Microelectronics PLC.
  *
  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
- *
- *  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/kernel.h>
@@ -147,7 +142,7 @@
 static int arizona_gpio_probe(struct platform_device *pdev)
 {
 	struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
-	struct arizona_pdata *pdata = dev_get_platdata(arizona->dev);
+	struct arizona_pdata *pdata = &arizona->pdata;
 	struct arizona_gpio *arizona_gpio;
 	int ret;
 
@@ -182,7 +177,7 @@
 		return -EINVAL;
 	}
 
-	if (pdata && pdata->gpio_base)
+	if (pdata->gpio_base)
 		arizona_gpio->gpio_chip.base = pdata->gpio_base;
 	else
 		arizona_gpio->gpio_chip.base = -1;