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SubjectRE: [PATCH] usb:musb: Dequeue urbs on device unplug


> -----Original Message-----
> From: Felipe Balbi [mailto:balbi@ti.com]
> Sent: Monday, October 15, 2012 5:49 PM
> To: Virupax SADASHIVPETIMATH
> Cc: balbi@ti.com; stern@rowland.harvard.edu; linux-usb@vger.kernel.org;
> linux-kernel@vger.kernel.org; linus.walleij@linaro.org; Rajaram REGUPATHY;
> Praveena NADAHALLY
> Subject: Re: [PATCH] usb:musb: Dequeue urbs on device unplug
>
> Hi,
>
> On Wed, Oct 10, 2012 at 10:06:03AM +0530, Virupax Sadashivpetimath wrote:
> > Flush queued urbs on receiving device disconnect interrupt. This is
> > required for successful disconnect and successive enumeration of the
> > device.
> >
> > In a failure case khubd hangs on usb-storage thread for completion.
> > Seen in the below trace.
> >
> > [ 1355.764526] SysRq : Show Blocked State
> > [ 1355.768341] task PC stack pid father
> > [ 1355.773620] khubd D c06a1fbc 0 503 2 0x00000000
> > [ 1355.780151] [<c06a1fbc>] (__schedule+0x3f0/0x8ec) from [<c06a26a0>]
> > (schedule+0x58/0x70) [ 1355.788330] [<c06a26a0>] (schedule+0x58/0x70)
> > from [<c06a2af8>] (schedule_timeout+0x1d8/0x31c) [ 1355.796997]
> > [<c06a2af8>] (schedule_timeout+0x1d8/0x31c) from [<c06a1994>]
> > (wait_for_common+0xd8/0x180) [ 1355.806396] [<c06a1994>]
> > (wait_for_common+0xd8/0x180) from [<c06a1b14>]
> > (wait_for_completion+0x20/0x24) [ 1355.815887] [<c06a1b14>]
> I would like to get some Tested-bys here.

Can you please add

Tested-by: <shuai.wen@stericsson.com>

Thanks
Virupax S


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