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Date:	Thu, 30 Jan 2014 16:42:30 -0500
From:	Mark Lord <mlord@...ox.com>
To:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>,
	David Laight <David.Laight@...LAB.COM>
CC:	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	David Miller <davem@...emloft.net>,
	Dan Williams <dan.j.williams@...el.com>,
	"Nyman, Mathias" <mathias.nyman@...el.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Freddy Xin <freddy@...x.com.tw>
Subject: Re: [PATCH RFC 1/1] usb: Tell xhci when usb data might be misaligned

Sarah, on a related note:

Is there a parameter or knob of some kind to tell the XHCI driver
to treat a specific port as USB2 (480mbit/sec max) rather than USB3 ?

The Dell XPS-13 Ultrabooks all suffer from some kind of flaw, whereby the left side
USB3 port is unreliable at SuperSpeed; the right side port works flawlessly.
The MS-Windows driver has a workaround of some sort, but we don't.

Cheers
-- 
Mark Lord
Real-Time Remedies Inc.
mlord@...ox.com
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