On Thu, 24 Jan 2013, Carsten Neumann wrote: > I saw some sort of hub controllers but these were intended (and - I think - > only usable) for "real" hardware USB hubs.
Have you ever heard of a chip that wasn't meant to be used for "real" hardware? :-) > Those with 4 A plug ports on one and 1 B plug port on the other side. > > My concerns are that usual Peripheral Controllers have probably limitations > so they can act only as one device at a time. > Am I correct? Yes. Even hubs can act as only one device. > If I'm wanting too much, I have to fall back to a single device emulation. > > > > > > I did read something about hub controllers, but are these what I mean > > > and are any supported by the linux USB stack? > > > > From the host side, yes, since the beginning (1999 or so). > > As I mentioned: this is not what I asked for. > > How about the device side? That is not possible. The bus requirements are too stringent for a software-based implementation of a USB hub. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
