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 for ath10k@lists.infradead.org; Wed, 30 Mar 2016 20:36:12 +0000
Subject: Re: hacked 4.4.6+, 10.4.3 firmware, Running out of ring-index for
 pipe-id 3 (WMI).
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From: Ben Greear <greearb@candelatech.com>
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Date: Wed, 30 Mar 2016 13:07:47 -0700
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To: Adrian Chadd <adrian@freebsd.org>
Cc: Michal Kazior <michal.kazior@tieto.com>, "ath10k@lists.infradead.org" <ath10k@lists.infradead.org>

On 03/29/2016 10:45 AM, Adrian Chadd wrote:
> On 29 March 2016 at 10:13, Ben Greear <greearb@candelatech.com> wrote:
>> On 03/29/2016 10:08 AM, Adrian Chadd wrote:
>>>
>>> Does it eventually catch up?
>>
>>
>> It seems to.
>>
>>> IE, put a wait completion in there?
>>
>>
>> Maybe so, but the current wait-completion waits on tx-credits,
>> so more like I'd need to put the whole wait-completion in a loop
>> and add a small sleep, maybe?
>>
>> Or, maybe try to force a read of the CE entries if the CE logic
>> ever detects the ring is full?
>
> Right. A little sleep (as long as its in a place where you can do it!)
> just to check would be good. I'd also print out the CE ring contents
> as well - see where the firmware has gotten to.

This seemed to help my system, but I also fixed some other bugs that made
the system work better over-all, so not sure this is a complete fix on its
own.  I'll send a patch in case someone wants to give it a try.

Thanks,
Ben

-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com


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