diff --git a/arch/arm/mach-shmobile/intc-sh73a0.c b/arch/arm/mach-shmobile/intc-sh73a0.c
index 5d0e1503ece6..a911a60e7719 100644
--- a/arch/arm/mach-shmobile/intc-sh73a0.c
+++ b/arch/arm/mach-shmobile/intc-sh73a0.c
@@ -250,6 +250,11 @@ static irqreturn_t sh73a0_intcs_demux(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
+static int sh73a0_set_wake(struct irq_data *data, unsigned int on)
+{
+	return 0; /* always allow wakeup */
+}
+
 void __init sh73a0_init_irq(void)
 {
 	void __iomem *gic_dist_base = __io(0xf0001000);
@@ -257,6 +262,7 @@ void __init sh73a0_init_irq(void)
 	void __iomem *intevtsa = ioremap_nocache(0xffd20100, PAGE_SIZE);
 
 	gic_init(0, 29, gic_dist_base, gic_cpu_base);
+	gic_arch_extn.irq_set_wake = sh73a0_set_wake;
 
 	register_intc_controller(&intcs_desc);