diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h
index 7fce9b1e6228ea45cd1349e53206fd4799ebe50e..d758c8d8f47d90b9cefc18fc5ba973692b122a41 100644
--- a/arch/sparc/include/asm/vio.h
+++ b/arch/sparc/include/asm/vio.h
@@ -298,6 +298,7 @@ struct vio_dev {
 
 	unsigned int		tx_irq;
 	unsigned int		rx_irq;
+	u64			rx_ino;
 
 	struct device		dev;
 };
@@ -453,5 +454,6 @@ int vio_driver_init(struct vio_driver_state *vio, struct vio_dev *vdev,
 		    char *name);
 
 void vio_port_up(struct vio_driver_state *vio);
+int vio_set_intr(unsigned long dev_ino, int state);
 
 #endif /* _SPARC64_VIO_H */
diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
index 8647fcc5ca6c5d5fad0f2b56f8865b8dcee876be..cb5789c9f9613ed692733d50dcf0e2c39784b1f7 100644
--- a/arch/sparc/kernel/vio.c
+++ b/arch/sparc/kernel/vio.c
@@ -180,8 +180,10 @@ static void vio_fill_channel_info(struct mdesc_handle *hp, u64 mp,
 			vdev->tx_irq = sun4v_build_virq(cdev_cfg_handle, *irq);
 
 		irq = mdesc_get_property(hp, target, "rx-ino", NULL);
-		if (irq)
+		if (irq) {
 			vdev->rx_irq = sun4v_build_virq(cdev_cfg_handle, *irq);
+			vdev->rx_ino = *irq;
+		}
 
 		chan_id = mdesc_get_property(hp, target, "id", NULL);
 		if (chan_id)
@@ -189,6 +191,15 @@ static void vio_fill_channel_info(struct mdesc_handle *hp, u64 mp,
 	}
 }
 
+int vio_set_intr(unsigned long dev_ino, int state)
+{
+	int err;
+
+	err = sun4v_vintr_set_valid(cdev_cfg_handle, dev_ino, state);
+	return err;
+}
+EXPORT_SYMBOL(vio_set_intr);
+
 static struct vio_dev *vio_create_one(struct mdesc_handle *hp, u64 mp,
 				      struct device *parent)
 {