mfd: ab8500-core wake up from suspend

This patch makes the system wake up from suspend when an
ab8500 interrupt occur. This can for example be USB cable
insert or an RTC alarm.
Signed-off-by: NMattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>

drivers/mfd/ab8500-core.c

@@ -519,7 +519,8 @@ int __devinit ab8500_init(struct ab8500 *ab8500)
 			return ret;
 
 		ret = request_threaded_irq(ab8500->irq, NULL, ab8500_irq,
-					   IRQF_ONESHOT, "ab8500", ab8500);
+					   IRQF_ONESHOT | IRQF_NO_SUSPEND,
+					   "ab8500", ab8500);
 		if (ret)
 			goto out_removeirq;
 	}