From: Lijun Ou <oulijun@huawei.com>
Date: Wed, 25 Jul 2018 15:29:38 +0800
Subject: RDMA/hns: Use delay instead of usleep
Patch-mainline: v4.19-rc1
Git-commit: 73b4e1f4c04e76b19fca296d09b97555bfb35202
References: bsc#1104427 FATE#326416

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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/hw/hns/hns_roce_hem.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- 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_ro
 	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_r
 			} else {
 				break;
 			}
-			msleep(HW_SYNC_SLEEP_TIME_INTERVAL);
+			mdelay(HW_SYNC_SLEEP_TIME_INTERVAL);
 		}
 
 		bt_cmd_l = (u32)bt_ba;