USB: ub: use USB API functions rather than constants

[pandora-kernel.git] / drivers / lguest / lguest_device.c

diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c
index b4d44e5..8132533 100644 (file)
--- a/drivers/lguest/lguest_device.c
+++ b/drivers/lguest/lguest_device.c
@@ -212,6 +212,9 @@ static void lg_notify(struct virtqueue *vq)
        hcall(LHCALL_NOTIFY, lvq->config.pfn << PAGE_SHIFT, 0, 0);
 }
 
+/* An extern declaration inside a C file is bad form.  Don't do it. */
+extern void lguest_setup_irq(unsigned int irq);
+
 /* This routine finds the first virtqueue described in the configuration of
  * this device and sets it up.
  *
@@ -266,6 +269,9 @@ static struct virtqueue *lg_find_vq(struct virtio_device *vdev,
                goto unmap;
        }
 
+       /* Make sure the interrupt is allocated. */
+       lguest_setup_irq(lvq->config.irq);
+
        /* Tell the interrupt for this virtqueue to go to the virtio_ring
         * interrupt handler. */
        /* FIXME: We used to have a flag for the Host to tell us we could use