virtio: do not set vring address again at queue startup
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> Tested-by: Qian Xu <qian.q.xu@intel.com> Reviewed-by: Tetsuya Mukawa <mukawa@igel.co.jp> Tested-by: Tetsuya Mukawa <mukawa@igel.co.jp> Acked-by: Huawei Xie <huawei.xie@intel.com>
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@ -339,11 +339,6 @@ virtio_dev_vring_start(struct virtqueue *vq, int queue_type)
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vq_update_avail_idx(vq);
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PMD_INIT_LOG(DEBUG, "Allocated %d bufs", nbufs);
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VIRTIO_WRITE_REG_2(vq->hw, VIRTIO_PCI_QUEUE_SEL,
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vq->vq_queue_index);
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VIRTIO_WRITE_REG_4(vq->hw, VIRTIO_PCI_QUEUE_PFN,
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vq->mz->phys_addr >> VIRTIO_PCI_QUEUE_ADDR_SHIFT);
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} else if (queue_type == VTNET_TQ) {
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if (use_simple_rxtx) {
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int mid_idx = vq->vq_nentries >> 1;
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@ -362,16 +357,6 @@ virtio_dev_vring_start(struct virtqueue *vq, int queue_type)
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for (i = mid_idx; i < vq->vq_nentries; i++)
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vq->vq_ring.avail->ring[i] = i;
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}
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VIRTIO_WRITE_REG_2(vq->hw, VIRTIO_PCI_QUEUE_SEL,
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vq->vq_queue_index);
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VIRTIO_WRITE_REG_4(vq->hw, VIRTIO_PCI_QUEUE_PFN,
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vq->mz->phys_addr >> VIRTIO_PCI_QUEUE_ADDR_SHIFT);
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} else {
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VIRTIO_WRITE_REG_2(vq->hw, VIRTIO_PCI_QUEUE_SEL,
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vq->vq_queue_index);
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VIRTIO_WRITE_REG_4(vq->hw, VIRTIO_PCI_QUEUE_PFN,
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vq->mz->phys_addr >> VIRTIO_PCI_QUEUE_ADDR_SHIFT);
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}
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}
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