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RDMA/hns: Remove not used UAR assignment 

UAR in CQ is not used and generates the following compilation
warning, clean the code by removing uar assignment.

drivers/infiniband/hw/hns/hns_roce_cq.c: In function _create_user_cq_:
drivers/infiniband/hw/hns/hns_roce_cq.c:305:27: warning: parameter _uar_ set but not used [-Wunused-but-set-parameter]
  305 |      struct hns_roce_uar *uar,
      |      ~~~~~~~~~~~~~~~~~~~~~^~~

Fixes: 4f8f0d5e33 ("RDMA/hns: Package the flow of creating cq")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Link: https://lore.kernel.org/r/20190801114827.24263-1-leon@kernel.org
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Leon Romanovsky 2019-08-01 14:48:27 +03:00 committed by Doug Ledford
parent 20cf4e0267
commit 7a63b31efb
1 changed files with 5 additions and 13 deletions
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18
drivers/infiniband/hw/hns/hns_roce_cq.c
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@ -83,7 +83,6 @@ static int hns_roce_sw2hw_cq(struct hns_roce_dev *dev,
static int hns_roce_cq_alloc(struct hns_roce_dev *hr_dev, int nent,
struct hns_roce_mtt *hr_mtt,
struct hns_roce_uar *hr_uar,
struct hns_roce_cq *hr_cq, int vector)
{
struct hns_roce_cmd_mailbox *mailbox;
@ -154,7 +153,6 @@ static int hns_roce_cq_alloc(struct hns_roce_dev *hr_dev, int nent,
hr_cq->cons_index = 0;
hr_cq->arm_sn = 1;
hr_cq->uar = hr_uar;
atomic_set(&hr_cq->refcount, 1);
init_completion(&hr_cq->free);
@ -302,7 +300,6 @@ static int create_user_cq(struct hns_roce_dev *hr_dev,
struct hns_roce_cq *hr_cq,
struct ib_udata *udata,
struct hns_roce_ib_create_cq_resp *resp,
struct hns_roce_uar *uar,
int cq_entries)
{
struct hns_roce_ib_create_cq ucmd;
@ -337,9 +334,6 @@ static int create_user_cq(struct hns_roce_dev *hr_dev,
resp->cap_flags |= HNS_ROCE_SUPPORT_CQ_RECORD_DB;
}
/* Get user space parameters */
uar = &context->uar;
return 0;
err_mtt:
@ -350,10 +344,10 @@ err_mtt:
}
static int create_kernel_cq(struct hns_roce_dev *hr_dev,
struct hns_roce_cq *hr_cq, struct hns_roce_uar *uar,
int cq_entries)
struct hns_roce_cq *hr_cq, int cq_entries)
{
struct device *dev = hr_dev->dev;
struct hns_roce_uar *uar;
int ret;
if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) {
@ -420,7 +414,6 @@ int hns_roce_ib_create_cq(struct ib_cq *ib_cq,
struct device *dev = hr_dev->dev;
struct hns_roce_ib_create_cq_resp resp = {};
struct hns_roce_cq *hr_cq = to_hr_cq(ib_cq);
struct hns_roce_uar *uar = NULL;
int vector = attr->comp_vector;
int cq_entries = attr->cqe;
int ret;
@ -439,14 +432,13 @@ int hns_roce_ib_create_cq(struct ib_cq *ib_cq,
spin_lock_init(&hr_cq->lock);
if (udata) {
ret = create_user_cq(hr_dev, hr_cq, udata, &resp, uar,
cq_entries);
ret = create_user_cq(hr_dev, hr_cq, udata, &resp, cq_entries);
if (ret) {
dev_err(dev, "Create cq failed in user mode!\n");
goto err_cq;
}
} else {
ret = create_kernel_cq(hr_dev, hr_cq, uar, cq_entries);
ret = create_kernel_cq(hr_dev, hr_cq, cq_entries);
if (ret) {
dev_err(dev, "Create cq failed in kernel mode!\n");
goto err_cq;
@ -454,7 +446,7 @@ int hns_roce_ib_create_cq(struct ib_cq *ib_cq,
}
/* Allocate cq index, fill cq_context */
ret = hns_roce_cq_alloc(hr_dev, cq_entries, &hr_cq->hr_buf.hr_mtt, uar,
ret = hns_roce_cq_alloc(hr_dev, cq_entries, &hr_cq->hr_buf.hr_mtt,
hr_cq, vector);
if (ret) {
dev_err(dev, "Creat CQ .Failed to cq_alloc.\n");