From mboxrd@z Thu Jan  1 00:00:00 1970
From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Thu, 07 Jun 2012 16:21:11 -0500
Subject: chip id 4318 regression: WARN_ON_ONCE(sdata->vif.hw_queue[i]
 >= n_queues))
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To: Johannes Berg <johannes@sipsolutions.net>
Cc: =?UTF-8?B?TWljaGFlbCBCw7xzY2g=?= <m@bues.ch>, Andre Heider <a.heider@gmail.com>, linux-wireless@vger.kernel.org, b43-dev@lists.infradead.org, =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= <zajec5@gmail.com>

On 06/07/2012 03:56 PM, Johannes Berg wrote:
> On Thu, 2012-06-07 at 20:36 +0200, Johannes Berg wrote:
>
>> However, it's also possible to actually *use* the new mac80211 feature.
>> That would also help with IEEE80211_TX_CTL_SEND_AFTER_DTIM, you could
>> ask mac80211 to use a separate HW queue for it (for tx_ring_mcast.) This
>> may be quicker.
>
> This might do it, I haven't tested it at all:
>
> http://p.sipsolutions.net/3c6b003bb06e5298.txt

With that patch, the driver never loads the firmware. I have not yet found the 
reason.

Larry