[TG3]: Fix peer device handling

Locate the pdev_peer for dual port 5714 NIC devices in addition to
5704 devices. The name is also changed to tg3_find_peer() from
tg3_find_5704_peer(). It is also necessary to call netdev_priv() to
get to the peer's private tg3 structure.
Signed-off-by: NMichael Chan <mchan@broadcom.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/tg3.c

@@ -1017,13 +1017,16 @@ static void tg3_frob_aux_power(struct tg3 *tp)
 	if ((tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) != 0)
 		return;
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
-		tp_peer = pci_get_drvdata(tp->pdev_peer);
-		if (!tp_peer)
+	if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
+	    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
+		struct net_device *dev_peer;
+
+		dev_peer = pci_get_drvdata(tp->pdev_peer);
+		if (!dev_peer)
 			BUG();
+		tp_peer = netdev_priv(dev_peer);
 	}
 
-
 	if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
 	    (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
 	    (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
@@ -10466,7 +10469,7 @@ static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
 	return str;
 }
 
-static struct pci_dev * __devinit tg3_find_5704_peer(struct tg3 *tp)
+static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
 {
 	struct pci_dev *peer;
 	unsigned int func, devnr = tp->pdev->devfn & ~7;
@@ -10719,8 +10722,9 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 		tp->rx_pending = 63;
 	}
 
-	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
-		tp->pdev_peer = tg3_find_5704_peer(tp);
+	if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
+	    (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
+		tp->pdev_peer = tg3_find_peer(tp);
 
 	err = tg3_get_device_address(tp);
 	if (err) {