[PARISC] Add NETPOLL support to lasi_82596

add netpoll support
Patch by Sven Schnelle <svens@gmx.de>

Signed-off-by: Sven Schnelle <svens@gmx.de>
Signed-off-by: Helge Deller <deller@parisc-linux.org>

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

drivers/net/lasi_82596.c

@@ -415,6 +415,10 @@ static int rx_ring_size = RX_RING_SIZE;
 static int ticks_limit = 100;
 static int max_cmd_backlog = TX_RING_SIZE-1;
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void i596_poll_controller(struct net_device *dev);
+#endif
+
 
 static inline void CA(struct net_device *dev)
 {
@@ -636,11 +640,11 @@ static int init_i596_mem(struct net_device *dev)
 
 	disable_irq(dev->irq);	/* disable IRQs from LAN */
 	DEB(DEB_INIT,
-		printk("RESET 82596 port: %p (with IRQ %d disabled)\n",
-		       (void*)(dev->base_addr + PA_I82596_RESET),
+		printk("RESET 82596 port: %lx (with IRQ %d disabled)\n",
+		       (dev->base_addr + PA_I82596_RESET),
 		       dev->irq));
 	
-	gsc_writel(0, (void*)(dev->base_addr + PA_I82596_RESET)); /* Hard Reset */
+	gsc_writel(0, (dev->base_addr + PA_I82596_RESET)); /* Hard Reset */
 	udelay(100);			/* Wait 100us - seems to help */
 
 	/* change the scp address */
@@ -1209,6 +1213,9 @@ static int __devinit i82596_probe(struct net_device *dev,
 	dev->set_multicast_list = set_multicast_list;
 	dev->tx_timeout = i596_tx_timeout;
 	dev->watchdog_timeo = TX_TIMEOUT;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	dev->poll_controller = i596_poll_controller;
+#endif
 
 	dev->priv = (void *)(dev->mem_start);
 
@@ -1242,6 +1249,14 @@ static int __devinit i82596_probe(struct net_device *dev,
 	return 0;
 }
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void i596_poll_controller(struct net_device *dev)
+{
+	disable_irq(dev->irq);
+	i596_interrupt(dev->irq, dev, NULL);
+	enable_irq(dev->irq);
+}
+#endif
 
 static irqreturn_t i596_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {