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authorWenpeng Liang <liangwenpeng@huawei.com>2021-08-26 21:37:32 +0800
committerJason Gunthorpe <jgg@nvidia.com>2021-08-26 12:12:20 -0300
commitfe164fc8d7b246987c54841e0d4e929a72d837e8 (patch)
tree78db9c5430512011ccef470b4919a43a114e5491 /drivers/infiniband
parentd2e0ccffcdd7209fc9881c8970d2a7e28dcb43b9 (diff)
RDMA/hns: Remove dqpn filling when modify qp from Init to Init
According to the IB specification, the destination qpn is allowed to be filled into the qpc only when the qp transitions from Init to RTR, so this code is unused. Link: https://lore.kernel.org/r/1629985056-57004-4-git-send-email-liangwenpeng@huawei.com Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v2.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 752bad5d5f80..85ad9379a69f 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -4143,8 +4143,6 @@ static void modify_qp_init_to_init(struct ib_qp *ibqp,
struct hns_roce_v2_qp_context *context,
struct hns_roce_v2_qp_context *qpc_mask)
{
- struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
-
/*
* In v2 engine, software pass context and context mask to hardware
* when modifying qp. If software need modify some fields in context,
@@ -4169,11 +4167,6 @@ static void modify_qp_init_to_init(struct ib_qp *ibqp,
hr_reg_write(context, QPC_SRQN, to_hr_srq(ibqp->srq)->srqn);
hr_reg_clear(qpc_mask, QPC_SRQN);
}
-
- if (attr_mask & IB_QP_DEST_QPN) {
- hr_reg_write(context, QPC_DQPN, hr_qp->qpn);
- hr_reg_clear(qpc_mask, QPC_DQPN);
- }
}
static int config_qp_rq_buf(struct hns_roce_dev *hr_dev,