From 16ed926eee5497db52fbee4d2db2dedbcd23561c Mon Sep 17 00:00:00 2001
From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Mon, 9 Jan 2006 19:19:18 +0000
Subject: [ARM] Only call set_type method in setup_irq if it's defined

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index b5645c4..1d50d2b 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -710,7 +710,8 @@ int setup_irq(unsigned int irq, struct irqaction *new)
 		desc->pending = 0;
 		desc->disable_depth = 1;
 
-		if (new->flags & SA_TRIGGER_MASK) {
+		if (new->flags & SA_TRIGGER_MASK &&
+		    desc->chip->set_type) {
 			unsigned int type = new->flags & SA_TRIGGER_MASK;
 			desc->chip->set_type(irq, type);
 		}
-- 
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