[PATCH] genirq: add ->retrigger() irq op to consolidate hw_irq_resend()

Add ->retrigger() irq op to consolidate hw_irq_resend() implementations.
(Most architectures had it defined to NOP anyway.)

NOTE: ia64 needs testing. i386 and x86_64 tested.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-parisc/hw_irq.h

@@ -3,15 +3,6 @@
 
 /*
  *	linux/include/asm/hw_irq.h
- *
- *	(C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
- *
- *	moved some of the old arch/i386/kernel/irq.h to here. VY
- *
- *	IRQ/IPI changes taken from work by Thomas Radke
- *	<tomsoft@informatik.tu-chemnitz.de>
  */
 
-extern void hw_resend_irq(struct hw_interrupt_type *, unsigned int);
-
 #endif