On Thu, 14 Apr 2011, Sebastian Andrzej Siewior wrote:

> This patch merges the two HCDs so there is one for both.

It is too premature for this.

In fact, the support for USB-3 HCDs is currently in flux.  Sarah Sharp 
has submitted a whole bunch of patches to allow for the creation of 
primary and secondary HCDs, representing the USB-2 and USB-3 root hubs 
of an xHCI controller.  dummy-hcd should use the same mechanism.

This will means creating only one host-side platform device, and then 
creating two usb_hcd structures below it.  Tanya's design should be 
based on Sarah's work.

Alan Stern

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