Dear Chen Peter-B29397, > > > > 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. Sure, but in general too ? > 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. So, how can the above scenario happen? Best regards, Marek Vasut -- 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
