[PATCH v2 for-next 1/9] RDMA/hns: Delete unnecessary variable max_post

Weihang Li
2019-11-05T11:11:48Z

From: Yixian Liu <liuyixian@huawei.com>

There is no need to define max_post in hns_roce_wq, as it does
same thing as wqe_cnt.

Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
---
drivers/infiniband/hw/hns/hns_roce_device.h | 1 -
drivers/infiniband/hw/hns/hns_roce_qp.c | 8 ++++----
2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index cbd75e4..3ed6b9e 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -426,7 +426,6 @@ struct hns_roce_wq {
u64 *wrid; /* Work request ID */
spinlock_t lock;
int wqe_cnt; /* WQE num */
- u32 max_post;
int max_gs;
int offset;
int wqe_shift; /* WQE size */
diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index bec48f2..071e9bc 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -318,7 +318,7 @@ static int hns_roce_set_rq_size(struct hns_roce_dev *hr_dev,
* hr_qp->rq.max_gs);
}

- cap->max_recv_wr = hr_qp->rq.max_post = hr_qp->rq.wqe_cnt;
+ cap->max_recv_wr = hr_qp->rq.wqe_cnt;
cap->max_recv_sge = hr_qp->rq.max_gs;

return 0;
@@ -608,7 +608,7 @@ static int hns_roce_set_kernel_sq_size(struct hns_roce_dev *hr_dev,
hr_qp->buff_size = size;

/* Get wr and sge number which send */
- cap->max_send_wr = hr_qp->sq.max_post = hr_qp->sq.wqe_cnt;
+ cap->max_send_wr = hr_qp->sq.wqe_cnt;
cap->max_send_sge = hr_qp->sq.max_gs;

/* We don't support inline sends for kernel QPs (yet) */
@@ -1289,7 +1289,7 @@ bool hns_roce_wq_overflow(struct hns_roce_wq *hr_wq, int nreq,
u32 cur;

cur = hr_wq->head - hr_wq->tail;
- if (likely(cur + nreq < hr_wq->max_post))
+ if (likely(cur + nreq < hr_wq->wqe_cnt))
return false;

hr_cq = to_hr_cq(ib_cq);
@@ -1297,7 +1297,7 @@ bool hns_roce_wq_overflow(struct hns_roce_wq *hr_wq, int nreq,
cur = hr_wq->head - hr_wq->tail;
spin_unlock(&hr_cq->lock);

- return cur + nreq >= hr_wq->max_post;
+ return cur + nreq >= hr_wq->wqe_cnt;
}

int hns_roce_init_qp_table(struct hns_roce_dev *hr_dev)
--
2.8.1