diff --git a/include/linux/irq.h b/include/linux/irq.h
index 36a015746788..7fa7f30fccb6 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -134,6 +134,9 @@ struct irq_2_iommu;
 /**
  * struct irq_desc - interrupt descriptor
  * @irq:		interrupt number for this descriptor
+ * @timer_rand_state:	pointer to timer rand state struct
+ * @kstat_irqs:		irq stats per cpu
+ * @irq_2_iommu:	iommu with this irq
  * @handle_irq:		highlevel irq-events handler [if NULL, __do_IRQ()]
  * @chip:		low level interrupt hardware access
  * @msi_desc:		MSI descriptor