RDMA/hns: Delete unnecessary variable max_post

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

Link: https://lore.kernel.org/r/1572952082-6681-2-git-send-email-liweihang@hisilicon.com
Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index 9407613..f8f6f05 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -424,7 +424,6 @@ 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 6aa27d6..308d15b 100644 (file)
--- 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;
@@ -610,7 +610,7 @@ 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) */
@@ -1291,7 +1291,7 @@ 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);
@@ -1299,7 +1299,7 @@ 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)