Re: How to downgrade super speed device

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On Mon, Feb 09, 2015 at 10:59:42AM -0500, Alan Stern wrote:
> On Mon, 9 Feb 2015, Huang Rui wrote:
> 
> > Hi,
> > 
> > Do you have any trick to downgrade one USB3 capacity device from super
> > speed mode to high speed mode on xhci port via host side?
> 
> Connect it to the host by a USB-2 cable.
> 

If physical connection and port number are fixed, any idea on software
side?

Thanks,
Rui
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