diff --git a/[refs] b/[refs]
index 51ed76553a08..034ca26f7104 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c2c9c788b91218bccbb9ac31539ffa577fe502bf
+refs/heads/master: 9c1628b603ee9d2bb220be0400c5dc6950cf012b
diff --git a/trunk/arch/mips/lantiq/irq.c b/trunk/arch/mips/lantiq/irq.c
index 0cec43dc3f60..87f15d64afa2 100644
--- a/trunk/arch/mips/lantiq/irq.c
+++ b/trunk/arch/mips/lantiq/irq.c
@@ -297,6 +297,9 @@ static int icu_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw)
 	struct irq_chip *chip = &ltq_irq_type;
 	int i;
 
+	if (hw < MIPS_CPU_IRQ_CASCADE)
+		return 0;
+
 	for (i = 0; i < exin_avail; i++)
 		if (hw == ltq_eiu_irq[i])
 			chip = &ltq_eiu_type;