On Fri, 10 Aug 2018, Roger Quadros wrote: > Hi, > > On 10/08/18 18:01, Zeng Tao wrote: > > The new scheme is required just to support legacy low and full-speed > > devices. For high speed devices, it will slower the enumeration speed. > > So in this patch we try the "old" enumeration scheme first for high speed > > devices. > > How slow does it get? Is it significant? > Do we risk breaking existing HS devices that work? I don't think we can > be sure till we run this through testing. Indeed. I am extremely skeptical about a patch like this, unless somebody can show that Windows uses the "old" scheme for high-speed devices. Alan Stern
