--- a/arch/mips/lantiq/irq.c
+++ b/arch/mips/lantiq/irq.c
@@ -132,7 +132,7 @@
 static unsigned int ltq_startup_eiu_irq(struct irq_data *d)
 {
 	int i;
-	int irq_nr = d->irq - INT_NUM_IRQ0;
+	int irq_nr = d->irq;
 
 	ltq_enable_irq(d);
 	for (i = 0; i < MAX_EIU; i++) {
@@ -156,7 +156,7 @@
 static void ltq_shutdown_eiu_irq(struct irq_data *d)
 {
 	int i;
-	int irq_nr = d->irq - INT_NUM_IRQ0;
+	int irq_nr = d->irq;
 
 	ltq_disable_irq(d);
 	for (i = 0; i < MAX_EIU; i++) {