vb->adjustment_signal_pending = true;
if (!vb->adjustment_in_progress) {
vb->adjustment_in_progress = true;
- pm_stay_awake(vb->vdev->dev.parent);
+ pm_stay_awake(&vb->vdev->dev);
}
spin_unlock_irqrestore(&vb->adjustment_lock, flags);
spin_lock_irq(&vb->adjustment_lock);
if (!vb->adjustment_signal_pending && vb->adjustment_in_progress) {
vb->adjustment_in_progress = false;
- pm_relax(vb->vdev->dev.parent);
+ pm_relax(&vb->vdev->dev);
}
spin_unlock_irq(&vb->adjustment_lock);
}
spin_lock_init(&vb->adjustment_lock);
+ /*
+ * The virtio balloon itself can't wake up the device, but it is
+ * responsible for processing wakeup events passed up from the transport
+ * layer. Wakeup sources don't support nesting/chaining calls, so we use
+ * our own wakeup source to ensure wakeup events are properly handled
+ * without trampling on the transport layer's wakeup source.
+ */
+ device_set_wakeup_capable(&vb->vdev->dev, true);
+
virtio_device_ready(vdev);
if (towards_target(vb))