!634 Accelerator Linux Mainline Patch Round

Merge Pull Request from: @xiao_jiang_shui 
 
https://gitee.com/openeuler/kernel/issues/I6VW8E 
 
Link:https://gitee.com/openeuler/kernel/pulls/634

 

Reviewed-by: Yang Shen <shenyang39@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>