Re: [BUG] - USB3 bluetooth device not working properly?

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On Mon, Aug 27, 2012 at 02:09:53PM +0200, Miroslav Sabljic wrote:
> On 08/22/2012 05:39 PM, Miroslav Sabljic wrote:
> 
> >>If the device is working properly on boot up and fails after
> >>suspend/resume, you can try the patch attached to see if it helps on
> >>the failure after system resume.
> >
> >Unfortunately it look like it doesn't change anything. Patched, rebuilt,
> >installed and tested. Same errors apear after suspend. :(
> 
> I tried to manually add some quirks for this device based on this
> http://permalink.gmane.org/gmane.linux.usb.general/48139. But with
> no results.
> At first I thought the bluetooth device isn't responding after a
> resume but yesterday I saw that any device connected to usb3 hub
> doesn't work after suspend/resume.
> 
> Can someone please help me write some quirk for this device or maybe
> adapt an existing quirk?

I'm actually wondering if you're hitting a bug that is fixed by a patch
in my queue to send to Greg.  Apparently, some BIOSes expect specific
USB ports on the mobile Panther Point chipset to remain under the EHCI
controller, even though they can be switched over to the xHCI host
controller.

Can you run this git command, compile a kernel, and see if it fixes your
issue?

git clone git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci.git -b for-usb-linus

Sarah Sharp
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