alpha: kill off alpha_do_IRQ

Good riddance... Nuke a pile of redundant handlers that the
generic code takes care of as well.

Tested-by: Michael Cree <mcree@orcon.net.nz>
Signed-off-by: Kyle McMartin <kyle@redhat.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
diff --git a/arch/alpha/kernel/sys_wildfire.c b/arch/alpha/kernel/sys_wildfire.c
index f6004f0..eec5259 100644
--- a/arch/alpha/kernel/sys_wildfire.c
+++ b/arch/alpha/kernel/sys_wildfire.c
@@ -139,32 +139,11 @@
 	spin_unlock(&wildfire_irq_lock);
 }
 
-static unsigned int
-wildfire_startup_irq(unsigned int irq)
-{ 
-	wildfire_enable_irq(irq);
-	return 0; /* never anything pending */
-}
-
-static void
-wildfire_end_irq(unsigned int irq)
-{ 
-#if 0
-	if (!irq_has_action(irq))
-		printk("got irq %d\n", irq);
-#endif
-	if (!(irq_to_desc(irq)->status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		wildfire_enable_irq(irq);
-}
-
 static struct irq_chip wildfire_irq_type = {
 	.name		= "WILDFIRE",
-	.startup	= wildfire_startup_irq,
-	.shutdown	= wildfire_disable_irq,
-	.enable		= wildfire_enable_irq,
-	.disable	= wildfire_disable_irq,
-	.ack		= wildfire_mask_and_ack_irq,
-	.end		= wildfire_end_irq,
+	.unmask		= wildfire_enable_irq,
+	.mask		= wildfire_disable_irq,
+	.mask_ack	= wildfire_mask_and_ack_irq,
 };
 
 static void __init
@@ -200,15 +179,16 @@
 			continue;
 		irq_to_desc(i+irq_bias)->status |= IRQ_LEVEL;
 		set_irq_chip_and_handler(i+irq_bias, &wildfire_irq_type,
-			alpha_do_IRQ);
+			handle_level_irq);
 	}
 
 	irq_to_desc(36+irq_bias)->status |= IRQ_LEVEL;
-	set_irq_chip_and_handler(36+irq_bias, &wildfire_irq_type, alpha_do_IRQ);
+	set_irq_chip_and_handler(36+irq_bias, &wildfire_irq_type,
+		handle_level_irq);
 	for (i = 40; i < 64; ++i) {
 		irq_to_desc(i+irq_bias)->status |= IRQ_LEVEL;
 		set_irq_chip_and_handler(i+irq_bias, &wildfire_irq_type,
-			alpha_do_IRQ);
+			handle_level_irq);
 	}
 
 	setup_irq(32+irq_bias, &isa_enable);