diff --git a/arch/alpha/kernel/sys_mikasa.c b/arch/alpha/kernel/sys_mikasa.c
index bcc1639e8efb64be789f8b7877fafd7346783870..cf7f43dd3147c49d7fbf922d4c59506b2bde325a 100644
--- a/arch/alpha/kernel/sys_mikasa.c
+++ b/arch/alpha/kernel/sys_mikasa.c
@@ -43,22 +43,22 @@ mikasa_update_irq_hw(int mask)
 }
 
 static inline void
-mikasa_enable_irq(unsigned int irq)
+mikasa_enable_irq(struct irq_data *d)
 {
-	mikasa_update_irq_hw(cached_irq_mask |= 1 << (irq - 16));
+	mikasa_update_irq_hw(cached_irq_mask |= 1 << (d->irq - 16));
 }
 
 static void
-mikasa_disable_irq(unsigned int irq)
+mikasa_disable_irq(struct irq_data *d)
 {
-	mikasa_update_irq_hw(cached_irq_mask &= ~(1 << (irq - 16)));
+	mikasa_update_irq_hw(cached_irq_mask &= ~(1 << (d->irq - 16)));
 }
 
 static struct irq_chip mikasa_irq_type = {
 	.name		= "MIKASA",
-	.unmask		= mikasa_enable_irq,
-	.mask		= mikasa_disable_irq,
-	.mask_ack	= mikasa_disable_irq,
+	.irq_unmask	= mikasa_enable_irq,
+	.irq_mask	= mikasa_disable_irq,
+	.irq_mask_ack	= mikasa_disable_irq,
 };
 
 static void 
@@ -98,8 +98,8 @@ mikasa_init_irq(void)
 	mikasa_update_irq_hw(0);
 
 	for (i = 16; i < 32; ++i) {
-		irq_to_desc(i)->status |= IRQ_LEVEL;
 		set_irq_chip_and_handler(i, &mikasa_irq_type, handle_level_irq);
+		irq_set_status_flags(i, IRQ_LEVEL);
 	}
 
 	init_i8259a_irqs();