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From: "Bjørn Mork" <bjorn@mork.no>
To: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: Oliver Neukum <oneukum@suse.com>,
	Alan Stern <stern@rowland.harvard.edu>,
	linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
	netdev@vger.kernel.org
Subject: Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function
Date: Thu, 10 Nov 2016 12:09:58 +0100	[thread overview]
Message-ID: <87a8d7h9q1.fsf@miraculix.mork.no> (raw)
In-Reply-To: <CAAd53p5W4xpSYsFZ00deQDh-gZBijn_ApreE9NmC=_B_MAQaug@mail.gmail.com> (Kai-Heng Feng's message of "Thu, 10 Nov 2016 12:06:31 +0800")

Kai-Heng Feng <kai.heng.feng@canonical.com> writes:
> On Wed, Nov 9, 2016 at 8:32 PM, Bjørn Mork <bjorn@mork.no> wrote:
>> Oliver Neukum <oneukum@suse.com> writes:
>>
>>> On Tue, 2016-11-08 at 13:44 -0500, Alan Stern wrote:
>>>
>>>> These problems could very well be caused by running at SuperSpeed
>>>> (USB-3) instead of high speed (USB-2).
>
> Yes, it's running at SuperSpeed, on a Kabylake laptop.
>
> It does not have this issue on a Broadwell laptop, also running at SuperSpeed.

Then I must join Oliver, being very surprised by where in the stack you
attempt to fix the issue.  What you write above indicates a problem in
pci bridge or usb host controller, doesn't it?


Bjørn

  reply	other threads:[~2016-11-10 11:11 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-04  9:57 [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function Kai-Heng Feng
2016-11-04 13:26 ` Alan Stern
2016-11-07 10:32   ` Oliver Neukum
2016-11-07 11:02 ` Oliver Neukum
2016-11-08  7:46   ` Kai-Heng Feng
2016-11-08 15:25     ` Alan Stern
2016-11-08 16:49       ` Bjørn Mork
2016-11-08 18:44         ` Alan Stern
2016-11-09 11:58           ` Oliver Neukum
2016-11-09 12:32             ` Bjørn Mork
2016-11-10  4:06               ` Kai-Heng Feng
2016-11-10 11:09                 ` Bjørn Mork [this message]
2016-11-10 11:22                   ` Oliver Neukum
2016-11-11 14:44                     ` Mathias Nyman
2016-11-14  7:34                       ` Kai-Heng Feng
2016-11-16 10:29                         ` Kai-Heng Feng
2016-11-10 15:36                 ` Alan Stern
2016-11-10 20:38                   ` Bjørn Mork

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