V4L/DVB (7851): Fix FW_LOADER depencency at v4l/dvb

[linux-2.6] / drivers / lguest / lguest_device.c

diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c
index 7a643a6ee9a11430d615c58d597d8084264fbde6..8080249957afb6d747631674d32cdc287319f96c 100644 (file)
--- a/drivers/lguest/lguest_device.c
+++ b/drivers/lguest/lguest_device.c
@@ -144,20 +144,26 @@ static u8 lg_get_status(struct virtio_device *vdev)
        return to_lgdev(vdev)->desc->status;
 }
 
+/* To notify on status updates, we (ab)use the NOTIFY hypercall, with the
+ * descriptor address of the device.  A zero status means "reset". */
+static void set_status(struct virtio_device *vdev, u8 status)
+{
+       unsigned long offset = (void *)to_lgdev(vdev)->desc - lguest_devices;
+
+       /* We set the status. */
+       to_lgdev(vdev)->desc->status = status;
+       hcall(LHCALL_NOTIFY, (max_pfn<<PAGE_SHIFT) + offset, 0, 0);
+}
+
 static void lg_set_status(struct virtio_device *vdev, u8 status)
 {
        BUG_ON(!status);
-       to_lgdev(vdev)->desc->status = status;
+       set_status(vdev, status);
 }
 
-/* To reset the device, we (ab)use the NOTIFY hypercall, with the descriptor
- * address of the device.  The Host will zero the status and all the
- * features. */
 static void lg_reset(struct virtio_device *vdev)
 {
-       unsigned long offset = (void *)to_lgdev(vdev)->desc - lguest_devices;
-
-       hcall(LHCALL_NOTIFY, (max_pfn<<PAGE_SHIFT) + offset, 0, 0);
+       set_status(vdev, 0);
 }
 
 /*