Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/net/ethernet/cirrus/Kconfig b/drivers/net/ethernet/cirrus/Kconfig
index ec0b545..48f3198 100644
--- a/drivers/net/ethernet/cirrus/Kconfig
+++ b/drivers/net/ethernet/cirrus/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Cirrus network device configuration
 #
@@ -23,7 +24,7 @@
 	---help---
 	  Support for CS89x0 chipset based Ethernet cards. If you have a
 	  network (Ethernet) card of this type, say Y and read the file
-	  <file:Documentation/networking/cs89x0.txt>.
+	  <file:Documentation/networking/device_drivers/cirrus/cs89x0.txt>.
 
 	  To compile this driver as a module, choose M here. The module
 	  will be called cs89x0.
@@ -41,7 +42,7 @@
 
 config EP93XX_ETH
 	tristate "EP93xx Ethernet support"
-	depends on ARM && ARCH_EP93XX
+	depends on (ARM && ARCH_EP93XX) || COMPILE_TEST
 	select MII
 	help
 	  This is a driver for the ethernet hardware included in EP93xx CPUs.
diff --git a/drivers/net/ethernet/cirrus/Makefile b/drivers/net/ethernet/cirrus/Makefile
index ca245e2..84865e5 100644
--- a/drivers/net/ethernet/cirrus/Makefile
+++ b/drivers/net/ethernet/cirrus/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Makefile for the Cirrus network device drivers.
 #
diff --git a/drivers/net/ethernet/cirrus/cs89x0.c b/drivers/net/ethernet/cirrus/cs89x0.c
index b3e7faf..c9aebcd 100644
--- a/drivers/net/ethernet/cirrus/cs89x0.c
+++ b/drivers/net/ethernet/cirrus/cs89x0.c
@@ -1844,16 +1844,12 @@
 static int __init cs89x0_platform_probe(struct platform_device *pdev)
 {
 	struct net_device *dev = alloc_etherdev(sizeof(struct net_local));
-	struct net_local *lp;
-	struct resource *mem_res;
 	void __iomem *virt_addr;
 	int err;
 
 	if (!dev)
 		return -ENOMEM;
 
-	lp = netdev_priv(dev);
-
 	dev->irq = platform_get_irq(pdev, 0);
 	if (dev->irq <= 0) {
 		dev_warn(&dev->dev, "interrupt resource missing\n");
@@ -1861,8 +1857,7 @@
 		goto free;
 	}
 
-	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	virt_addr = devm_ioremap_resource(&pdev->dev, mem_res);
+	virt_addr = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(virt_addr)) {
 		err = PTR_ERR(virt_addr);
 		goto free;
diff --git a/drivers/net/ethernet/cirrus/ep93xx_eth.c b/drivers/net/ethernet/cirrus/ep93xx_eth.c
index 13dfdfc..f37c9a0 100644
--- a/drivers/net/ethernet/cirrus/ep93xx_eth.c
+++ b/drivers/net/ethernet/cirrus/ep93xx_eth.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * EP93xx ethernet network device driver
  * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
  * Dedicated to Marija Kulikova.
- *
- * 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.
  */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__
@@ -25,7 +21,7 @@
 #include <linux/io.h>
 #include <linux/slab.h>
 
-#include <mach/hardware.h>
+#include <linux/platform_data/eth-ep93xx.h>
 
 #define DRV_MODULE_NAME		"ep93xx-eth"
 #define DRV_MODULE_VERSION	"0.1"
@@ -767,6 +763,7 @@
 {
 	struct net_device *dev;
 	struct ep93xx_priv *ep;
+	struct resource *mem;
 
 	dev = platform_get_drvdata(pdev);
 	if (dev == NULL)
@@ -782,8 +779,8 @@
 		iounmap(ep->base_addr);
 
 	if (ep->res != NULL) {
-		release_resource(ep->res);
-		kfree(ep->res);
+		mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+		release_mem_region(mem->start, resource_size(mem));
 	}
 
 	free_netdev(dev);