On Sun, Apr 22, 2012 at 08:47:24AM -0400, Alan Stern wrote: > On Sun, 22 Apr 2012, Anil Nair wrote: > > > The port number comes from root hub managed by the host controller. Its > > fixed dynamically during enumeration, and can change. > > Please correct me if i am wrong. > > You are indeed wrong. Port numbers are not fixed dynamically and they > cannot change. Right? Could you pin out the codes in kernel? > > On the other hand, bus numbers _are_ assigned dynamically and they can > (and do) change. > Indeed, I never meat the situation lspci output different bus number on the same machine. Any more comment? -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
