RDMA/hns: Fix initial arm_st of CQ

[ Upstream commit 571fb4fb78a3bf0fcadbe65eca9ca4ccee885af4 ]

We set the init CQ status to ARMED before. As a result, an unexpected CEQE
would be reported. Therefore, the init CQ status should be set to no_armed
rather than REG_NXT_CEQE.

Fixes: a5073d6054f7 ("RDMA/hns: Add eq support of hip08")
Link: https://lore.kernel.org/r/20211029095846.26732-1-liangwenpeng@huawei.com
Signed-off-by: Haoyue Xu <xuhaoyue1@hisilicon.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 0ccb0c453f6a26c9bd56cef15d8ca587d4f270c6..a77732c218dcbd7d3bf6dc8387810c6be855706a 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -3335,7 +3335,7 @@ static void hns_roce_v2_write_cqc(struct hns_roce_dev *hr_dev,
        memset(cq_context, 0, sizeof(*cq_context));
 
        hr_reg_write(cq_context, CQC_CQ_ST, V2_CQ_STATE_VALID);
-       hr_reg_write(cq_context, CQC_ARM_ST, REG_NXT_CEQE);
+       hr_reg_write(cq_context, CQC_ARM_ST, NO_ARMED);
        hr_reg_write(cq_context, CQC_SHIFT, ilog2(hr_cq->cq_depth));
        hr_reg_write(cq_context, CQC_CEQN, hr_cq->vector);
        hr_reg_write(cq_context, CQC_CQN, hr_cq->cqn);