[PATCH] fixup! virtio: don't use DMA API unless required

[Ahmad Fatoum]

Linux uses the member to decide e.g. inside vring_map_single, whether
DMA API should be used. I think we may need it in barebox in future too,
but it can always be added later.

Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
 drivers/virtio/virtio_ring.c | 1 -
 include/linux/virtio_ring.h  | 1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 1e5431dd3ee4..b0b402834aca 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -422,7 +422,6 @@ struct virtqueue *vring_create_virtqueue(unsigned int index, unsigned int num,
 
 	vq->queue_dma_addr = dma_addr;
 	vq->queue_size_in_bytes = queue_size_in_bytes;
-	vq->use_dma_api = vring_use_dma_api(vdev);
 
 	return vq;
 }
diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h
index 7bf667611938..bdef47b0fa6c 100644
--- a/include/linux/virtio_ring.h
+++ b/include/linux/virtio_ring.h
@@ -103,7 +103,6 @@ struct virtqueue {
 	unsigned int num_free;
 	struct vring vring;
 	bool event;
-	bool use_dma_api;
 	unsigned int free_head;
 	unsigned int num_added;
 	u16 last_used_idx;
-- 
2.39.5