cleanup the cpmac phy mask, patch from Ben Witten

SVN-Revision: 22770

target/linux/ar7/patches-2.6.32/971-cpmac_cleanup.patch

+--- a/drivers/net/cpmac.c
++++ b/drivers/net/cpmac.c
+@@ -33,7 +33,6 @@
+ #include <linux/skbuff.h>
+ #include <linux/mii.h>
+ #include <linux/phy.h>
+-#include <linux/phy_fixed.h>
+ #include <linux/platform_device.h>
+ #include <linux/dma-mapping.h>
+ #include <asm/gpio.h>
+@@ -1104,8 +1103,6 @@ static const struct net_device_ops cpmac
+ 	.ndo_set_mac_address	= eth_mac_addr,
+ };
+ 
+-static int external_switch;
+-
+ static int __devinit cpmac_probe(struct platform_device *pdev)
+ {
+ 	int rc, phy_id;
+@@ -1127,10 +1124,8 @@ static int __devinit cpmac_probe(struct
+ 	}
+ 	
+ 	if (phy_id == PHY_MAX_ADDR) {
+-		//This probably wont work as no fixed bus anymore.
+-		dev_err(&pdev->dev, "no PHY present, falling back to switch mode\n");
+-		strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
+-		phy_id = pdev->id;
++		dev_err(&pdev->dev, "no PHY present\n");
++		return -ENODEV;
+ 	}
+ 
+ 	dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);
+@@ -1258,14 +1253,8 @@ int __devinit cpmac_init(void)
+ 		else
+ 			msleep(10);
+ 
+-	mask &= 0x7fffffff;
+-	if (mask & (mask - 1)) {
+-		external_switch = 1;
+-		mask = 0;
+-	}
+-
+ 	cpmac_mii->phy_mask = ar7_is_titan()? ~(mask | 0x80000000 | 0x40000000):
+-		~(mask | 0x80000001);
++		~(mask | 0x80000000);
+ 	snprintf(cpmac_mii->id, MII_BUS_ID_SIZE, "1");
+ 
+ 	res = mdiobus_register(cpmac_mii);