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    SubjectRe: Non-enumerable devices on USB and other enumerable buses
    On Wed, Aug 14, 2013 at 10:30:44AM -0600, Stephen Warren wrote:
    > On 08/14/2013 10:14 AM, Alan Stern wrote:

    > > No, no -- this is exactly the point I was trying to make. The on-board
    > > hub _won't_ appear on the USB bus until the GPIOs are set. Therefore
    > > the callback to set the GPIOs needs to be at a different place, not
    > > when the device appears.

    > The device Mark was talking about is the controller end of the bus (EHCI
    > controller, or hub's downstream port) not the device end of the bus (any
    > USB device's upstream port).

    Actually it genuinely is a hub - it's not part of the controller, though
    the startup does need to be synchronised with the controller. It ends
    up parenting some other devices but that's not suchan issue.
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