diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index 3e9eeb6cb294d9ffd64f719ea7e92e269c5fec14..5bb7bb22f1c1931f80e8c243856285b4c6b21233 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -916,6 +916,9 @@ static int gic_irq_domain_translate(struct irq_domain *d,
 		}
 
 		*type = fwspec->param[2] & IRQ_TYPE_SENSE_MASK;
+
+		/* Make it clear that broken DTs are... broken */
+		WARN_ON(*type == IRQ_TYPE_NONE);
 		return 0;
 	}
 
@@ -925,6 +928,8 @@ static int gic_irq_domain_translate(struct irq_domain *d,
 
 		*hwirq = fwspec->param[0];
 		*type = fwspec->param[1];
+
+		WARN_ON(*type == IRQ_TYPE_NONE);
 		return 0;
 	}