From 37bb30e86bc2e48d9affb25f6ce9eb3d8e65b2ac Mon Sep 17 00:00:00 2001
From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Mon, 31 Oct 2005 17:14:57 +0000
Subject: [PATCH] [ARM] Convert EBSA110 network driver to a platform driver

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-ebsa110/core.c | 26 ++++++++++++++++++++++-
 drivers/net/arm/am79c961a.c  | 41 ++++++++++++++++++++++++++++--------
 drivers/net/arm/am79c961a.h  |  2 --
 3 files changed, 57 insertions(+), 12 deletions(-)

diff --git a/arch/arm/mach-ebsa110/core.c b/arch/arm/mach-ebsa110/core.c
index 15261646dcd..ed4614983ad 100644
--- a/arch/arm/mach-ebsa110/core.c
+++ b/arch/arm/mach-ebsa110/core.c
@@ -251,9 +251,33 @@ static struct platform_device serial_device = {
 	},
 };
 
+static struct resource am79c961_resources[] = {
+	{
+		.start		= 0x220,
+		.end		= 0x238,
+		.flags		= IORESOURCE_IO,
+	}, {
+		.start		= IRQ_EBSA110_ETHERNET,
+		.end		= IRQ_EBSA110_ETHERNET,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device am79c961_device = {
+	.name			= "am79c961",
+	.id			= -1,
+	.num_resources		= ARRAY_SIZE(am79c961_resources),
+	.resource		= am79c961_resources,
+};
+
+static struct platform_device *ebsa110_devices[] = {
+	&serial_device,
+	&am79c961_device,
+};
+
 static int __init ebsa110_init(void)
 {
-	return platform_device_register(&serial_device);
+	return platform_add_devices(ebsa110_devices, ARRAY_SIZE(ebsa110_devices));
 }
 
 arch_initcall(ebsa110_init);
diff --git a/drivers/net/arm/am79c961a.c b/drivers/net/arm/am79c961a.c
index 3d50e953faa..877891a29aa 100644
--- a/drivers/net/arm/am79c961a.c
+++ b/drivers/net/arm/am79c961a.c
@@ -26,11 +26,11 @@
 #include <linux/init.h>
 #include <linux/crc32.h>
 #include <linux/bitops.h>
+#include <linux/platform_device.h>
 
-#include <asm/system.h>
-#include <asm/irq.h>
 #include <asm/hardware.h>
 #include <asm/io.h>
+#include <asm/system.h>
 
 #define TX_BUFFERS 15
 #define RX_BUFFERS 25
@@ -280,10 +280,13 @@ static void am79c961_timer(unsigned long data)
 	lnkstat = read_ireg(dev->base_addr, ISALED0) & ISALED0_LNKST;
 	carrier = netif_carrier_ok(dev);
 
-	if (lnkstat && !carrier)
+	if (lnkstat && !carrier) {
 		netif_carrier_on(dev);
-	else if (!lnkstat && carrier)
+		printk("%s: link up\n", dev->name);
+	} else if (!lnkstat && carrier) {
 		netif_carrier_off(dev);
+		printk("%s: link down\n", dev->name);
+	}
 
 	mod_timer(&priv->timer, jiffies + msecs_to_jiffies(500));
 }
@@ -665,17 +668,25 @@ static void __init am79c961_banner(void)
 		printk(KERN_INFO "%s", version);
 }
 
-static int __init am79c961_init(void)
+static int __init am79c961_probe(struct device *_dev)
 {
+	struct platform_device *pdev = to_platform_device(_dev);
+	struct resource *res;
 	struct net_device *dev;
 	struct dev_priv *priv;
 	int i, ret;
 
+	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+	if (!res)
+		return -ENODEV;
+
 	dev = alloc_etherdev(sizeof(struct dev_priv));
 	ret = -ENOMEM;
 	if (!dev)
 		goto out;
 
+	SET_NETDEV_DEV(dev, &pdev->dev);
+
 	priv = netdev_priv(dev);
 
 	/*
@@ -683,8 +694,8 @@ static int __init am79c961_init(void)
 	 * The PNP initialisation should have been
 	 * done by the ether bootp loader.
 	 */
-	dev->base_addr = 0x220;
-	dev->irq = IRQ_EBSA110_ETHERNET;
+	dev->base_addr = res->start;
+	dev->irq = platform_get_irq(pdev, 0);
 
     	ret = -ENODEV;
 	if (!request_region(dev->base_addr, 0x18, dev->name))
@@ -705,11 +716,11 @@ static int __init am79c961_init(void)
 	    inb(dev->base_addr + 4) != 0x2b)
 	    	goto release;
 
-	am79c961_banner();
-
 	for (i = 0; i < 6; i++)
 		dev->dev_addr[i] = inb(dev->base_addr + i * 2) & 0xff;
 
+	am79c961_banner();
+
 	spin_lock_init(&priv->chip_lock);
 	init_timer(&priv->timer);
 	priv->timer.data = (unsigned long)dev;
@@ -732,6 +743,7 @@ static int __init am79c961_init(void)
 	if (ret == 0) {
 		printk(KERN_INFO "%s: ether address ", dev->name);
 
+		/* Retrive and print the ethernet address. */
 		for (i = 0; i < 6; i++)
 			printk (i == 5 ? "%02x\n" : "%02x:", dev->dev_addr[i]);
 
@@ -746,4 +758,15 @@ out:
 	return ret;
 }
 
+static struct device_driver am79c961_driver = {
+	.name		= "am79c961",
+	.bus		= &platform_bus_type,
+	.probe		= am79c961_probe,
+};
+
+static int __init am79c961_init(void)
+{
+	return driver_register(&am79c961_driver);
+}
+
 __initcall(am79c961_init);
diff --git a/drivers/net/arm/am79c961a.h b/drivers/net/arm/am79c961a.h
index 1e9b05050cb..6a49ac7f6d4 100644
--- a/drivers/net/arm/am79c961a.h
+++ b/drivers/net/arm/am79c961a.h
@@ -143,6 +143,4 @@ struct dev_priv {
     struct timer_list	timer;
 };
 
-extern int	am79c961_probe (struct net_device *dev);
-
 #endif
-- 
2.41.1