diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 1a4e19c..4635d11 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -920,6 +920,22 @@
 	return IRQ_SET_MASK_OK_NOCOPY;
 }
 
+static int mpic_irq_set_wake(struct irq_data *d, unsigned int on)
+{
+	struct irq_desc *desc = container_of(d, struct irq_desc, irq_data);
+	struct mpic *mpic = mpic_from_irq_data(d);
+
+	if (!(mpic->flags & MPIC_FSL))
+		return -ENXIO;
+
+	if (on)
+		desc->action->flags |= IRQF_NO_SUSPEND;
+	else
+		desc->action->flags &= ~IRQF_NO_SUSPEND;
+
+	return 0;
+}
+
 void mpic_set_vector(unsigned int virq, unsigned int vector)
 {
 	struct mpic *mpic = mpic_from_irq(virq);
@@ -957,6 +973,7 @@
 	.irq_unmask	= mpic_unmask_irq,
 	.irq_eoi	= mpic_end_irq,
 	.irq_set_type	= mpic_set_irq_type,
+	.irq_set_wake	= mpic_irq_set_wake,
 };
 
 #ifdef CONFIG_SMP
@@ -971,6 +988,7 @@
 	.irq_mask	= mpic_mask_tm,
 	.irq_unmask	= mpic_unmask_tm,
 	.irq_eoi	= mpic_end_irq,
+	.irq_set_wake	= mpic_irq_set_wake,
 };
 
 #ifdef CONFIG_MPIC_U3_HT_IRQS