diff --git a/arch/arm/mach-mmp/pm-mmp2.c b/arch/arm/mach-mmp/pm-mmp2.c
index 461a191a32d248ba3e2715aa9f3cfb607d6df7d8..43b1a516957fdfc2cc32b75a0e284289ad6d73ec 100644
--- a/arch/arm/mach-mmp/pm-mmp2.c
+++ b/arch/arm/mach-mmp/pm-mmp2.c
@@ -27,22 +27,8 @@
 
 int mmp2_set_wake(struct irq_data *d, unsigned int on)
 {
-	int irq = d->irq;
-	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long data = 0;
-
-	if (unlikely(irq >= nr_irqs)) {
-		pr_err("IRQ nubmers are out of boundary!\n");
-		return -EINVAL;
-	}
-
-	if (on) {
-		if (desc->action)
-			desc->action->flags |= IRQF_NO_SUSPEND;
-	} else {
-		if (desc->action)
-			desc->action->flags &= ~IRQF_NO_SUSPEND;
-	}
+	int irq = d->irq;
 
 	/* enable wakeup sources */
 	switch (irq) {
diff --git a/arch/arm/mach-mmp/pm-pxa910.c b/arch/arm/mach-mmp/pm-pxa910.c
index 48981ca801a5527b8b2df375237d595ec98dc388..04c9daf9f8d767a7225631a7f36e443fae260d88 100644
--- a/arch/arm/mach-mmp/pm-pxa910.c
+++ b/arch/arm/mach-mmp/pm-pxa910.c
@@ -27,22 +27,8 @@
 
 int pxa910_set_wake(struct irq_data *data, unsigned int on)
 {
-	int irq = data->irq;
-	struct irq_desc *desc = irq_to_desc(data->irq);
 	uint32_t awucrm = 0, apcr = 0;
-
-	if (unlikely(irq >= nr_irqs)) {
-		pr_err("IRQ nubmers are out of boundary!\n");
-		return -EINVAL;
-	}
-
-	if (on) {
-		if (desc->action)
-			desc->action->flags |= IRQF_NO_SUSPEND;
-	} else {
-		if (desc->action)
-			desc->action->flags &= ~IRQF_NO_SUSPEND;
-	}
+	int irq = data->irq;
 
 	/* setting wakeup sources */
 	switch (irq) {
@@ -115,9 +101,11 @@ int pxa910_set_wake(struct irq_data *data, unsigned int on)
 		if (irq >= IRQ_GPIO_START && irq < IRQ_BOARD_START) {
 			awucrm = MPMU_AWUCRM_WAKEUP(2);
 			apcr |= MPMU_APCR_SLPWP2;
-		} else
+		} else {
+			/* FIXME: This should return a proper error code ! */
 			printk(KERN_ERR "Error: no defined wake up source irq: %d\n",
 				irq);
+		}
 	}
 
 	if (on) {