!1671 Backport bugfixes for RDMA/hns from mainline linux

Merge Pull Request from: @stinft 
 
https://gitee.com/openeuler/kernel/issues/I76PRT
https://gitee.com/openeuler/kernel/issues/I76PUJ
https://gitee.com/openeuler/kernel/issues/I76PY9
https://gitee.com/openeuler/kernel/issues/I7R61Q
https://gitee.com/openeuler/kernel/issues/I7RKQ1 
 
Link:https://gitee.com/openeuler/kernel/pulls/1671 

Reviewed-by: Chengchang Tang <tangchengchang@huawei.com> 
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com> 

drivers/infiniband/hw/hns/hns_roce_hem.c

@@ -942,7 +942,7 @@ void hns_roce_cleanup_hem_table(struct hns_roce_dev *hr_dev,
 			obj = i * table->table_chunk_size / table->obj_size;
 			ret = hr_dev->hw->clear_hem(hr_dev, table, obj, 0);
 			if (ret)
-				dev_err(dev, "Clear HEM base address failed, ret = %d.\n",
+				dev_err(dev, "clear HEM base address failed, ret = %d.\n",
 					ret);
 
 			hns_roce_free_hem(hr_dev, table->hem[i]);