WAN: Convert generic HDLC drivers to netdev_ops.

Also remove unneeded last_rx update from Synclink drivers.
Synclink part mostly by Stephen Hemminger.

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
index 0dbd85b..7e8bbba 100644
--- a/drivers/net/wan/ixp4xx_hss.c
+++ b/drivers/net/wan/ixp4xx_hss.c
@@ -1230,6 +1230,14 @@
  * initialization
  ****************************************************************************/
 
+static const struct net_device_ops hss_hdlc_ops = {
+	.ndo_open       = hss_hdlc_open,
+	.ndo_stop       = hss_hdlc_close,
+	.ndo_change_mtu = hdlc_change_mtu,
+	.ndo_start_xmit = hdlc_start_xmit,
+	.ndo_do_ioctl   = hss_hdlc_ioctl,
+};
+
 static int __devinit hss_init_one(struct platform_device *pdev)
 {
 	struct port *port;
@@ -1254,9 +1262,7 @@
 	hdlc = dev_to_hdlc(dev);
 	hdlc->attach = hss_hdlc_attach;
 	hdlc->xmit = hss_hdlc_xmit;
-	dev->open = hss_hdlc_open;
-	dev->stop = hss_hdlc_close;
-	dev->do_ioctl = hss_hdlc_ioctl;
+	dev->netdev_ops = &hss_hdlc_ops;
 	dev->tx_queue_len = 100;
 	port->clock_type = CLOCK_EXT;
 	port->clock_rate = 2048000;