ThunderLAN: remove is_eisa flag

These 2 places are the only matches for is_eisa in the whole tree.

Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c
index 60c400f..59abfbc 100644
--- a/drivers/net/ethernet/ti/tlan.c
+++ b/drivers/net/ethernet/ti/tlan.c
@@ -533,7 +533,6 @@
 		/* This is a hack. We need to know which board structure
 		 * is suited for this adapter */
 		device_id = inw(ioaddr + EISA_ID2);
-		priv->is_eisa = 1;
 		if (device_id == 0x20F1) {
 			priv->adapter = &board_info[13]; /* NetFlex-3/E */
 			priv->adapter_rev = 23;		/* TLAN 2.3 */
diff --git a/drivers/net/ethernet/ti/tlan.h b/drivers/net/ethernet/ti/tlan.h
index 5fc98a8..2eb33a2 100644
--- a/drivers/net/ethernet/ti/tlan.h
+++ b/drivers/net/ethernet/ti/tlan.h
@@ -207,7 +207,6 @@
 	u8			tlan_full_duplex;
 	spinlock_t		lock;
 	u8			link;
-	u8			is_eisa;
 	struct work_struct			tlan_tqueue;
 	u8			neg_be_verbose;
 };