netdev: convert pcmcia drivers to netdev_tx_t

Update all the pcmcia network drivers for netdev_tx_t.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c
index 2f39244..7bde2cd 100644
--- a/drivers/net/pcmcia/smc91c92_cs.c
+++ b/drivers/net/pcmcia/smc91c92_cs.c
@@ -288,7 +288,8 @@
 static int smc_close(struct net_device *dev);
 static int smc_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
 static void smc_tx_timeout(struct net_device *dev);
-static int smc_start_xmit(struct sk_buff *skb, struct net_device *dev);
+static netdev_tx_t smc_start_xmit(struct sk_buff *skb,
+					struct net_device *dev);
 static irqreturn_t smc_interrupt(int irq, void *dev_id);
 static void smc_rx(struct net_device *dev);
 static void set_rx_mode(struct net_device *dev);
@@ -1370,7 +1371,8 @@
     netif_wake_queue(dev);
 }
 
-static int smc_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t smc_start_xmit(struct sk_buff *skb,
+					struct net_device *dev)
 {
     struct smc_private *smc = netdev_priv(dev);
     unsigned int ioaddr = dev->base_addr;