Re: [RFT] xhci: Fix resume issues on Renesas chips in Samsung laptops

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On Wed, Jan 22, 2014 at 02:04:19PM -0800, Sarah Sharp wrote:
> On Wed, Jan 22, 2014 at 09:18:27AM -0500, Prarit Bhargava wrote:
> > 
> > 
> > > Don Zickus <dzickus@xxxxxxxxxx> writes:
> > > 
> > > Some co-workers of mine bought Samsung laptops that had mostly usb3 ports.
> > > Those ports did not resume correctly (the driver would timeout communicating
> > > and fail).  This led to frustration as suspend/resume is a common use for
> > > laptops.
> > > 
> > > Poking around, I applied the reset on resume quirk to this chipset and the
> > > resume started working.  Reloading the xhci_hcd module had been the temporary
> > > workaround.
> > > 
> > > Signed-off-by: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx>
> > > Reported-by: Don Zickus <dzickus@xxxxxxxxxx>
> > > Cc: stable # 2.6.37
> > > ---
> > > 
> > > Don, please ask your co-worker to apply this patch and test.  Let me
> > > know if your other co-worker has a different subsystem device ID in his
> > > Samsung laptop, when he gets back from vacation.  If so, we'll extend it
> > > to all Samsung laptops with that particular Renesas host.
> > > 
> > > Sarah Sharp
> > 
> > Sarah,
> > 
> > I tested a USB2 hard drive and a USB3 memory stick in the previously
> > non-functional ports.  Both now work AFAICT.
> > 
> > Please add
> > 
> > Tested-by: Prarit Bhargava <prarit@xxxxxxxxxx>
> 
> Thanks for testing!  This patch will be queued to the USB subsystem
> maintainer after 3.14-rc1 is out.

Thanks Sarah!

Cheers,
Don
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