Index: drivers/net/3c59x.c
===================================================================
RCS file: /opt/cvs/lk/drivers/net/3c59x.c,v
retrieving revision 1.21
diff -u -u -r1.21 3c59x.c
--- drivers/net/3c59x.c	2001/01/23 08:25:53	1.21
+++ drivers/net/3c59x.c	2001/01/25 00:23:11
@@ -220,6 +220,8 @@
 static char version[] __devinitdata =
 "3c59x.c:LK1.1.13 14 Jan 2001  Donald Becker and others. http://www.scyld.com/network/vortex.html\n";
 
+static int whacker = 0;
+
 MODULE_AUTHOR("Donald Becker <becker@scyld.com>");
 MODULE_DESCRIPTION("3Com 3c59x/3c90x/3c575 series Vortex/Boomerang/Cyclone driver");
 MODULE_PARM(debug, "i");
@@ -232,6 +234,7 @@
 MODULE_PARM(compaq_irq, "i");
 MODULE_PARM(compaq_device_id, "i");
 MODULE_PARM(watchdog, "i");
+MODULE_PARM(whacker, "i");
 
 /* Operational parameter that usually are not changed. */
 
@@ -775,6 +778,41 @@
 
 static int vortex_cards_found;
 
+static volatile int run_thread, thread_running;;
+
+static int kthread(void *arg)
+{
+	struct net_device *dev = arg;
+
+	printk("kthread running\n");
+	thread_running = 1;
+	while (run_thread) {
+		disable_irq(dev->irq);
+		udelay(5);
+		schedule();
+		enable_irq(dev->irq);
+		udelay(5);
+	}
+	printk("kthread stops\n");
+	thread_running = 0;
+	return 0;
+}
+
+static void start_irq_whacker(struct net_device *dev)
+{
+	run_thread = 1;
+	thread_running = 0;
+	if (whacker)
+		kernel_thread(kthread, dev, 0);
+}
+
+static void stop_irq_whacker(struct net_device *dev)
+{
+	run_thread = 0;
+	while (thread_running)
+		;
+}
+
 static void vortex_suspend (struct pci_dev *pdev)
 {
 	struct net_device *dev = pdev->driver_data;
@@ -1421,6 +1459,7 @@
 	if (vp->cb_fn_base)			/* The PCMCIA people are idiots.  */
 		writel(0x8000, vp->cb_fn_base + 4);
 	netif_start_queue (dev);
+	start_irq_whacker(dev);
 }
 
 static int
@@ -2298,6 +2337,8 @@
 {
 	struct vortex_private *vp = (struct vortex_private *)dev->priv;
 	long ioaddr = dev->base_addr;
+
+	stop_irq_whacker(dev);
 
 	netif_stop_queue (dev);