diff options
Diffstat (limited to 'drivers/virtio/virtio_pci.c')
| -rw-r--r-- | drivers/virtio/virtio_pci.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index eae7236310e4..e0e81e505658 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -88,10 +88,14 @@ static struct virtio_pci_device *to_vp_device(struct virtio_device *vdev) static u32 vp_get_features(struct virtio_device *vdev) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); + u32 features; /* When someone needs more than 32 feature bits, we'll need to * steal a bit to indicate that the rest are somewhere else. */ - return ioread32(vp_dev->ioaddr + VIRTIO_PCI_HOST_FEATURES); + features = ioread32(vp_dev->ioaddr + VIRTIO_PCI_HOST_FEATURES); + + /* Vring may want to play with the bits it's offered. */ + return vring_transport_features(features); } /* virtio config->set_features() implementation */ |