On Tue, 9 Oct 2018, Dmitry Malkin wrote: > Hi guys, > > Could someone can give me a hint to this question: > > if there are multiple connected USB devices (multiple ports with set > PORTSC.CCS bit) to xHCI and I issue the very first enable slot command > which port will be "enabled"? > > I don't see anything regarding this in specification (also I cannot find > anything like this in linux xhci driver). See the description of the Route String and the Root Hub Port Number entries in the slot context. Alan Stern > Motivation is just simple: if I run into situation where I need to reset > device through PORTSC how can I distinguish between different ports?
