diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c
index 3eb17ee5540e88d5c7bd99ae133d597af9e049de..fa0c8467a280e771971b173cb276eecdd4ed7e4d 100644
--- a/arch/sh/kernel/cpu/irq/ipr.c
+++ b/arch/sh/kernel/cpu/irq/ipr.c
@@ -59,10 +59,18 @@ void register_ipr_controller(struct ipr_desc *desc)
 
 	for (i = 0; i < desc->nr_irqs; i++) {
 		struct ipr_data *p = desc->ipr_data + i;
+		struct irq_desc *irq_desc;
 
 		BUG_ON(p->ipr_idx >= desc->nr_offsets);
 		BUG_ON(!desc->ipr_offsets[p->ipr_idx]);
 
+		irq_desc = irq_to_desc_alloc_cpu(p->irq, smp_processor_id());
+		if (unlikely(!irq_desc)) {
+			printk(KERN_INFO "can not get irq_desc for %d\n",
+			       p->irq);
+			continue;
+		}
+
 		disable_irq_nosync(p->irq);
 		set_irq_chip_and_handler_name(p->irq, &desc->chip,
 				      handle_level_irq, "level");
diff --git a/drivers/sh/intc.c b/drivers/sh/intc.c
index 12d13d99b6f09690c9ec31a42ae630f460f039f4..098b767e9afdaf1f1c11aaff3f22833ecd93c170 100644
--- a/drivers/sh/intc.c
+++ b/drivers/sh/intc.c
@@ -671,7 +671,7 @@ unsigned int intc_evt2irq(unsigned int vector)
 
 void __init register_intc_controller(struct intc_desc *desc)
 {
-	unsigned int i, k, smp;
+	unsigned int i, k, smp, cpu = smp_processor_id();
 	struct intc_desc_int *d;
 
 	d = alloc_bootmem(sizeof(*d));
@@ -770,11 +770,19 @@ void __init register_intc_controller(struct intc_desc *desc)
 	/* register the vectors one by one */
 	for (i = 0; i < desc->nr_vectors; i++) {
 		struct intc_vect *vect = desc->vectors + i;
+		unsigned int irq = evt2irq(vect->vect);
+		struct irq_desc *irq_desc;
 
 		if (!vect->enum_id)
 			continue;
 
-		intc_register_irq(desc, d, vect->enum_id, evt2irq(vect->vect));
+		irq_desc = irq_to_desc_alloc_cpu(irq, cpu);
+		if (unlikely(!irq_desc)) {
+			printk(KERN_INFO "can not get irq_desc for %d\n", irq);
+			continue;
+		}
+
+		intc_register_irq(desc, d, vect->enum_id, irq);
 	}
 }