diff mbox

[dpdk-dev,v2,1/7] virtio: don't set vring address again at queue startup

Message ID 1452581944-24838-2-git-send-email-yuanhan.liu@linux.intel.com (mailing list archive)
State Superseded, archived
Headers

Commit Message

Yuanhan Liu Jan. 12, 2016, 6:58 a.m. UTC 
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@linux.intel.com>
---
 drivers/net/virtio/virtio_rxtx.c | 15 ---------------
 1 file changed, 15 deletions(-)
diff mbox

Patch

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);
 	}
 }