[ARM] Only call set_type method in setup_irq if it's defined

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

[ARM] Only call set_type method in setup_irq if it's defined
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
16ed926e · Russell King · Russell King · 0a3a98f6 · 16ed926e
Commit 16ed926e authored Jan 09, 2006 by Russell King Committed by Russell King Jan 09, 2006
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arch/arm/kernel/irq.c arch/arm/kernel/irq.c +2 -1

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--- 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);
 		}