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RDMA/hns: Remove redundant member doorbell_qpn of struct hns_roce_qp

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The value of doorbell_qpn is always equal to qpn on current hardware
versions. So remove it.

Link: https://lore.kernel.org/r/20220829105021.1427804-5-liangwenpeng@huawei.com
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Wenpeng Liang 2022-08-29 18:50:21 +08:00 committed by Leon Romanovsky
parent 637ff8ea00
commit bfb3bde954
3 changed files with 1 additions and 5 deletions
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1
drivers/infiniband/hw/hns/hns_roce_device.h
View File

@ -599,7 +599,6 @@ struct hns_roce_qp {
struct hns_roce_db rdb;
struct hns_roce_db sdb;
unsigned long en_flags;
u32 doorbell_qpn;
enum ib_sig_type sq_signal_bits;
struct hns_roce_wq sq;

2
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
View File

@ -637,7 +637,7 @@ static inline void update_sq_db(struct hns_roce_dev *hr_dev,
} else {
struct hns_roce_v2_db sq_db = {};
hr_reg_write(&sq_db, DB_TAG, qp->doorbell_qpn);
hr_reg_write(&sq_db, DB_TAG, qp->qpn);
hr_reg_write(&sq_db, DB_CMD, HNS_ROCE_V2_SQ_DB);
hr_reg_write(&sq_db, DB_PI, qp->sq.head);
hr_reg_write(&sq_db, DB_SL, qp->sl);

3
drivers/infiniband/hw/hns/hns_roce_qp.c
View File

@ -218,7 +218,6 @@ static int alloc_qpn(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
if (hr_qp->ibqp.qp_type == IB_QPT_GSI) {
num = 1;
hr_qp->doorbell_qpn = 1;
} else {
mutex_lock(&qp_table->bank_mutex);
bankid = get_least_load_bankid_for_qp(qp_table->bank);
@ -234,8 +233,6 @@ static int alloc_qpn(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
qp_table->bank[bankid].inuse++;
mutex_unlock(&qp_table->bank_mutex);
hr_qp->doorbell_qpn = (u32)num;
}
hr_qp->qpn = num;