setup_irq(0, NULL) is broken as setup_irq() dereferences action
unconditionally.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
CC: Kumar Gala <galak@kernel.crashing.org>
CC: Linux PPC Development <linuxppc-dev@ozlabs.org>
---
 arch/powerpc/platforms/85xx/ksi8560.c |    2 --
 1 file changed, 2 deletions(-)

Index: linux-2.6-tip/arch/powerpc/platforms/85xx/ksi8560.c
===================================================================
--- linux-2.6-tip.orig/arch/powerpc/platforms/85xx/ksi8560.c
+++ linux-2.6-tip/arch/powerpc/platforms/85xx/ksi8560.c
@@ -106,8 +106,6 @@ static void __init ksi8560_pic_init(void
 	cpm2_pic_init(np);
 	of_node_put(np);
 	set_irq_chained_handler(irq, cpm2_cascade);
-
-	setup_irq(0, NULL);
 #endif
 }