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

To: Alan Stern <stern@rowland.harvard.edu>
Cc: linux-usb@vger.kernel.org, 782442@bugs.debian.org
Subject: Bug#782442: USB3 external HDD not recognized [regression]
From: Ralf Jung <post@ralfj.de>
Date: Sat, 09 May 2015 22:31:02 +0200
Message-id: <[🔎] 554E6E86.9090806@ralfj.de>
Reply-to: Ralf Jung <post@ralfj.de>, 782442@bugs.debian.org
In-reply-to: <Pine.LNX.4.44L0.1504151033450.1404-100000@iolanthe.rowland.org>
References: <Pine.LNX.4.44L0.1504151033450.1404-100000@iolanthe.rowland.org>

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

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Follow-Ups:
- Bug#782442: USB3 external HDD not recognized [regression]
  - From: Ralf Jung <post@ralfj.de>
- Bug#782442: USB3 external HDD not recognized [regression]
  - From: Alan Stern <stern@rowland.harvard.edu>

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