[dpdk-dev] [PATCH v5 1/9] virtio: don't set vring address again at queue startup

[Yuanhan Liu]

As we have already set up it at virtio_dev_queue_setup(), and a vq
restart will not reset the settings.

Signed-off-by: Yuanhan Liu <yuanhan.liu at linux.intel.com>
Tested-by: Qian Xu <qian.q.xu at intel.com>
Reviewed-by: Tetsuya Mukawa <mukawa at igel.co.jp>
Tested-by: Tetsuya Mukawa <mukawa at igel.co.jp>
---
 drivers/net/virtio/virtio_rxtx.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index 74b39ef..b7267c0 100644
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -339,11 +339,6 @@ virtio_dev_vring_start(struct virtqueue *vq, int 
queue_type)
                vq_update_avail_idx(vq);

                PMD_INIT_LOG(DEBUG, "Allocated %d bufs", nbufs);
-
-               VIRTIO_WRITE_REG_2(vq->hw, VIRTIO_PCI_QUEUE_SEL,
-                       vq->vq_queue_index);
-               VIRTIO_WRITE_REG_4(vq->hw, VIRTIO_PCI_QUEUE_PFN,
-                       vq->mz->phys_addr >> VIRTIO_PCI_QUEUE_ADDR_SHIFT);
        } else if (queue_type == VTNET_TQ) {
                if (use_simple_rxtx) {
                        int mid_idx  = vq->vq_nentries >> 1;
@@ -362,16 +357,6 @@ virtio_dev_vring_start(struct virtqueue *vq, int 
queue_type)
                        for (i = mid_idx; i < vq->vq_nentries; i++)
                                vq->vq_ring.avail->ring[i] = i;
                }
-
-               VIRTIO_WRITE_REG_2(vq->hw, VIRTIO_PCI_QUEUE_SEL,
-                       vq->vq_queue_index);
-               VIRTIO_WRITE_REG_4(vq->hw, VIRTIO_PCI_QUEUE_PFN,
-                       vq->mz->phys_addr >> VIRTIO_PCI_QUEUE_ADDR_SHIFT);
-       } else {
-               VIRTIO_WRITE_REG_2(vq->hw, VIRTIO_PCI_QUEUE_SEL,
-                       vq->vq_queue_index);
-               VIRTIO_WRITE_REG_4(vq->hw, VIRTIO_PCI_QUEUE_PFN,
-                       vq->mz->phys_addr >> VIRTIO_PCI_QUEUE_ADDR_SHIFT);
        }
 }

-- 
1.9.0