diff options
Diffstat (limited to 'drivers/misc/mic/vop/vop_main.c')
| -rw-r--r-- | drivers/misc/mic/vop/vop_main.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/misc/mic/vop/vop_main.c b/drivers/misc/mic/vop/vop_main.c index 3633202e18f4..2bfa3a903bf9 100644 --- a/drivers/misc/mic/vop/vop_main.c +++ b/drivers/misc/mic/vop/vop_main.c @@ -129,6 +129,16 @@ static u64 vop_get_features(struct virtio_device *vdev) return features; } +static void vop_transport_features(struct virtio_device *vdev) +{ + /* + * Packed ring isn't enabled on virtio_vop for now, + * because virtio_vop uses vring_new_virtqueue() which + * creates virtio rings on preallocated memory. + */ + __virtio_clear_bit(vdev, VIRTIO_F_RING_PACKED); +} + static int vop_finalize_features(struct virtio_device *vdev) { unsigned int i, bits; @@ -141,6 +151,9 @@ static int vop_finalize_features(struct virtio_device *vdev) /* Give virtio_ring a chance to accept features. */ vring_transport_features(vdev); + /* Give virtio_vop a chance to accept features. */ + vop_transport_features(vdev); + memset_io(out_features, 0, feature_len); bits = min_t(unsigned, feature_len, sizeof(vdev->features)) * 8; @@ -381,16 +394,21 @@ static int vop_find_vqs(struct virtio_device *dev, unsigned nvqs, struct _vop_vdev *vdev = to_vopvdev(dev); struct vop_device *vpdev = vdev->vpdev; struct mic_device_ctrl __iomem *dc = vdev->dc; - int i, err, retry; + int i, err, retry, queue_idx = 0; /* We must have this many virtqueues. */ if (nvqs > ioread8(&vdev->desc->num_vq)) return -ENOENT; for (i = 0; i < nvqs; ++i) { + if (!names[i]) { + vqs[i] = NULL; + continue; + } + dev_dbg(_vop_dev(vdev), "%s: %d: %s\n", __func__, i, names[i]); - vqs[i] = vop_find_vq(dev, i, callbacks[i], names[i], + vqs[i] = vop_find_vq(dev, queue_idx++, callbacks[i], names[i], ctx ? ctx[i] : false); if (IS_ERR(vqs[i])) { err = PTR_ERR(vqs[i]); |
