diff --git a/arch/arm/mach-pxa/idp.c b/arch/arm/mach-pxa/idp.c
index 465108d..0a94344 100644
--- a/arch/arm/mach-pxa/idp.c
+++ b/arch/arm/mach-pxa/idp.c
@@ -54,7 +54,7 @@
 	[1] = {
 		.start	= IRQ_GPIO(4),
 		.end	= IRQ_GPIO(4),
-		.flags	= IORESOURCE_IRQ,
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 	}
 };