> > > > > > Okay, I didn't realize you wanted to change the PHY state in > > > ehci_hub_control also. You would power-down the PHY whenever every > > > connected port was suspended, right? > > > > Oh, I have no experiences on multi-port system, all Freescale i.mx SoC > > has only one port. > > I take it in case of multiport system, you'd have one phy per port ? Or > are > there phys that can operate with multiple ULPI inputs (aka. one phy per > multiple > CPU ports)? > Just confirm with IC guys, one phy for one port. So, Alan, for your questions, it should power-down the individual PHY when corresponding individual port is suspended. > > > So consider this scenario instead. There is no intermediate hub, but > > > there are two devices plugged directly into the root hub: a 3G modem > > > and a flash drive. > > Is this possible on MXS? All i.mx SoCs has one port, including mxs. -- 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