On 12-11-18, 07:18, Robin Gong wrote: > Signed-off-by: Robin Gong <yibin.gong@xxxxxxx> You cannot sign off, but you may test this patch and provide Tested-by:.. or you may review the patch and provide Reviewed-by:... or if you agree you may also provide Acked-by: ... For more details, please see Documentation/process/submitting-patches.rst Section 13. Also, please do not top post you reply Thanks -- ~Vinod