RDMA/hns: Use delay instead of usleep

In order to avoid using usleep function in lock function, we use delay
function instead of it.  Besides, it also use brackets for standardized
the computed order.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c
index 8dc336a85128f4eccdb92115dcd8ea72a42cbdd3..f6faefed96e8bedfab852f27540a62fe90c1e3dd 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_hem.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hem.c
@@ -170,7 +170,7 @@ int hns_roce_calc_hem_mhop(struct hns_roce_dev *hr_dev,
        case 3:
                mhop->l2_idx = table_idx & (chunk_ba_num - 1);
                mhop->l1_idx = table_idx / chunk_ba_num & (chunk_ba_num - 1);
-               mhop->l0_idx = table_idx / chunk_ba_num / chunk_ba_num;
+               mhop->l0_idx = (table_idx / chunk_ba_num) / chunk_ba_num;
                break;
        case 2:
                mhop->l1_idx = table_idx & (chunk_ba_num - 1);
@@ -342,7 +342,7 @@ static int hns_roce_set_hem(struct hns_roce_dev *hr_dev,
                        } else {
                                break;
                        }
-                       msleep(HW_SYNC_SLEEP_TIME_INTERVAL);
+                       mdelay(HW_SYNC_SLEEP_TIME_INTERVAL);
                }
 
                bt_cmd_l = (u32)bt_ba;