Bug#782442: USB3 external HDD not recognized [regression]

[Alan Stern <stern@rowland.harvard.edu>]

Sending to author of the offending commit and maintainer of the 
xhci-hcd driver.

Alan Stern

On Sat, 9 May 2015, Ralf Jung wrote:

> Hi,
> 
> > The USB-3 driver is made up of these files:  drivers/usb/host/xhci*
> 
> I did a bisect on these files only, and here's the result:
> 
> > d6236f6d1d885aa19d1cd7317346fe795227a3cc is the first bad commit
> > commit d6236f6d1d885aa19d1cd7317346fe795227a3cc
> > Author: Wang, Yu <yu.y.wang@intel.com>
> > Date:   Tue Jun 24 17:14:44 2014 +0300
> > 
> >     xhci: Fix runtime suspended xhci from blocking system suspend.
> 
> I confirmed that reverting this commit on top of v3.16 indeed fixes the
> issue.
> 
> (Just to remind you, the context is the following bug report:
> <https://bugzilla.kernel.org/show_bug.cgi?id=96531>).
> 
> Kind regards,
> Ralf

> I just tested the v4.1-rc2 kernel to confirm that the issue is still
> present. Reverting above commit again fixed the issue.
>
> Please let me know if there is any other information you need from me.
>
> Kind regards,
> Ralf