[PATCH] genirq: cleanup: merge irq_affinity[] into irq_desc[]

Consolidation: remove the irq_affinity[NR_IRQS] array and move it into the
irq_desc[NR_IRQS].affinity field.

[akpm@osdl.org: sparc64 build fix]
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>

arch/ppc/syslib/open_pic.c

@@ -615,8 +615,8 @@ void __devinit do_openpic_setup_cpu(void)
  	/* let the openpic know we want intrs. default affinity
  	 * is 0xffffffff until changed via /proc
  	 * That's how it's done on x86. If we want it differently, then
- 	 * we should make sure we also change the default values of irq_affinity
- 	 * in irq.c.
+ 	 * we should make sure we also change the default values of
+	 * irq_desc[].affinity in irq.c.
  	 */
  	for (i = 0; i < NumSources; i++)
 		openpic_mapirq(i, msk, CPU_MASK_ALL);