On Fri, Aug 20, 2021 at 12:15:41PM +0800, Linyu Yuan wrote: > add UDC/link/unlink trace entry to track important event. Why? What exactly does this trace? Where is it documented? Who needs this? We need a much better changelog here. > > Signed-off-by: Linyu Yuan <quic_linyyuan@xxxxxxxxxxx> What changed from v1? That always belongs below the --- line. thanks, greg k-h