[netdrvr] irq handler minor cleanups in several drivers

* use irq_handler_t where appropriate

* no need to use 'irq' function arg, its already stored in a data struct

* rename irq handler 'irq' argument to 'dummy', where the function
  has been analyzed and proven not to use its first argument.

* remove always-false "dev_id == NULL" test from irq handlers

* remove pointless casts from void*

* declance: irq argument is not const

* add KERN_xxx printk prefix

* fix minor whitespace weirdness

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/eexpress.c b/drivers/net/eexpress.c
index 70509ed..8969c3b 100644
--- a/drivers/net/eexpress.c
+++ b/drivers/net/eexpress.c
@@ -456,8 +456,9 @@
 	if (!dev->irq || !irqrmap[dev->irq])
 		return -ENXIO;
 
-	ret = request_irq(dev->irq,&eexp_irq,0,dev->name,dev);
-	if (ret) return ret;
+	ret = request_irq(dev->irq, &eexp_irq, 0, dev->name, dev);
+	if (ret)
+		return ret;
 
 	if (!request_region(ioaddr, EEXP_IO_EXTENT, "EtherExpress")) {
 		printk(KERN_WARNING "EtherExpress io port %x, is busy.\n"
@@ -768,7 +769,7 @@
 	}
 }
 
-static irqreturn_t eexp_irq(int irq, void *dev_info)
+static irqreturn_t eexp_irq(int dummy, void *dev_info)
 {
 	struct net_device *dev = dev_info;
 	struct net_local *lp;
@@ -783,7 +784,7 @@
 	old_read_ptr = inw(ioaddr+READ_PTR);
 	old_write_ptr = inw(ioaddr+WRITE_PTR);
 
-	outb(SIRQ_dis|irqrmap[irq],ioaddr+SET_IRQ);
+	outb(SIRQ_dis|irqrmap[dev->irq],ioaddr+SET_IRQ);
 
 
 	status = scb_status(dev);
@@ -851,7 +852,7 @@
 
 	eexp_cmd_clear(dev);
 
-	outb(SIRQ_en|irqrmap[irq],ioaddr+SET_IRQ);
+	outb(SIRQ_en|irqrmap[dev->irq],ioaddr+SET_IRQ);
 
 #if NET_DEBUG > 6
 	printk("%s: leaving eexp_irq()\n", dev->name);