linux-kernel - Re: [PATCH 0/3 v2] usb/hid-core: drain URB queue when going to suspend

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Message-ID: <alpine.LNX.2.00.1112071026440.21970@pobox.suse.cz>
Date:	Wed, 7 Dec 2011 10:27:44 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Daniel Kurtz <djkurtz@...omium.org>
Cc:	oneukum@...e.de, bleung@...omium.org, stern@...land.harvard.edu,
	olofj@...omium.org, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH 0/3 v2] usb/hid-core: drain URB queue when going to
 suspend

On Wed, 7 Dec 2011, Daniel Kurtz wrote:

> > In some situations, trying to suspend a laptop with an attached USB keyboard
> > would fail if both NumLock and CapsLock LEDs were lit.
> > This was due to a race condition between asynchronously submitted
> > LED-manipulating CTRL URBs and the suspend process.
> >
> > This is a different solution to the same problem highlighted here:
> > https://lkml.org/lkml/2011/9/2/391
> >
> > These patches are against Jiri's hid/for-next branch.
> >
> > Daniel Kurtz (3):
> >  HID: usbhid: remove LED_ON
> >  HID: usbhid: hid-core: submit queued urbs before suspend
> >  HID: usbhid: defer LED setting to a workqueue
> >
> > Differences since v1:
> >  * Rebase on hid/for-next
> >  * Solve race with usbhid_stop() [reported by Oliver Neukum]
> >
> 
> Hi Jiri,
> 
> Any chance you can take a look at this patch set?

Hi Dan,

it's still in my queue, sorry for delay; it absolutely hasn't been lost, I 
just haven't gotten to it yet.

Oliver, did you have a chance to review it, please? I'd apprecite your 
eventual Ack on this.

Thanks,

-- 
Jiri Kosina
SUSE Labs
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