From ba10eedf5a3fba991563873d4cb65a067aa13f24 Mon Sep 17 00:00:00 2001
From: John Linn <john.linn@xilinx.com>
Date: Thu, 14 May 2009 10:23:11 -0600
Subject: [PATCH] powerpc/virtex: Fix duplicate level irq events.

The interrupt controller was not handling level interrupts correctly
such that duplicate interrupts were happening. This fixes the problem
and adds edge type interrupts which are needed in Xilinx hardware.

Signed-off-by: John Linn <john.linn@xilinx.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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