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Date: Mon, 11 Aug 2014 08:52:34 +0000 From: David Laight <David.Laight@...LAB.COM> To: 'Mathias Nyman' <mathias.nyman@...ux.intel.com>, Julius Werner <jwerner@...omium.org>, Paul Zimmerman <Paul.Zimmerman@...opsys.com> CC: Maciej Puzio <mx34567@...il.com>, Mathias Nyman <mathias.nyman@...el.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: RE: [PATCH] usb: xhci: Fix Set TR Dequeue Pointer cycle state for quirky xHCs > It's starting to get a bit too complicated. > xhci find_new_dequeue_state() now has four places where it can toggle the cycle bit > in addition to the cycle toggle in find_trb_seg(). > > In the end we really just want to do it max once. > > I'll see if I can simplify the whole cycle bit code somehow. Have a look at the patches I submitted last year. I remember simplifying a lot of that code. David
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