lkml.org 
[lkml]   [2016]   [Sep]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH for-next 20/20] IB/hns: Delete the redundant lines in hns_roce_v1_m_qp()
Date
From: Lijun Ou <oulijun@huawei.com>

It doesn't need to assign for the filed of qp state in qpc separately
when qp happen to migrate state which supported in RoCE engine v1.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
---
drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 14 +++-----------
1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index 7a61d7e..3bc32fc 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -2405,11 +2405,6 @@ static int hns_roce_v1_m_qp(struct ib_qp *ibqp, const struct ib_qp_attr *attr,
roce_set_bit(context->qpc_bytes_140,
QP_CONTEXT_QPC_BYTES_140_RNR_RETRY_FLG_S, 0);

- roce_set_field(context->qpc_bytes_144,
- QP_CONTEXT_QPC_BYTES_144_QP_STATE_M,
- QP_CONTEXT_QPC_BYTES_144_QP_STATE_S,
- attr->qp_state);
-
roce_set_field(context->qpc_bytes_148,
QP_CONTEXT_QPC_BYTES_148_CHECK_FLAG_M,
QP_CONTEXT_QPC_BYTES_148_CHECK_FLAG_S, 0);
@@ -2524,13 +2519,10 @@ static int hns_roce_v1_m_qp(struct ib_qp *ibqp, const struct ib_qp_attr *attr,
(cur_state == IB_QPS_RTS && new_state == IB_QPS_ERR) ||
(cur_state == IB_QPS_ERR && new_state == IB_QPS_RESET) ||
(cur_state == IB_QPS_ERR && new_state == IB_QPS_ERR)) {
- roce_set_field(context->qpc_bytes_144,
- QP_CONTEXT_QPC_BYTES_144_QP_STATE_M,
- QP_CONTEXT_QPC_BYTES_144_QP_STATE_S,
- attr->qp_state);
-
+ /* It will not do additional options in engine v1 */
+ ;
} else {
- dev_err(dev, "not support this modify\n");
+ dev_err(dev, "not support this status migration\n");
goto out;
}

--
1.7.9.5
\
 
 \ /
  Last update: 2016-09-17 09:58    [W:0.224 / U:0.236 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site