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/sealevel.c b/drivers/net/wan/sealevel.c
index 0941a26..23b2690 100644
--- a/drivers/net/wan/sealevel.c
+++ b/drivers/net/wan/sealevel.c
@@ -169,6 +169,14 @@
 	return -EINVAL;
 }
 
+static const struct net_device_ops sealevel_ops = {
+	.ndo_open       = sealevel_open,
+	.ndo_stop       = sealevel_close,
+	.ndo_change_mtu = hdlc_change_mtu,
+	.ndo_start_xmit = hdlc_start_xmit,
+	.ndo_do_ioctl   = sealevel_ioctl,
+};
+
 static int slvl_setup(struct slvl_device *sv, int iobase, int irq)
 {
 	struct net_device *dev = alloc_hdlcdev(sv);
@@ -177,9 +185,7 @@
 
 	dev_to_hdlc(dev)->attach = sealevel_attach;
 	dev_to_hdlc(dev)->xmit = sealevel_queue_xmit;
-	dev->open = sealevel_open;
-	dev->stop = sealevel_close;
-	dev->do_ioctl = sealevel_ioctl;
+	dev->netdev_ops = &sealevel_ops;
 	dev->base_addr = iobase;
 	dev->irq = irq;