ath10k OTP loading issues

Helmut Schaa helmut.schaa at googlemail.com
Thu Jul 17 07:12:35 PDT 2014


Hey,

On Tue, Jul 15, 2014 at 11:16 PM, Andre Valentin <avalentin at marcant.net> wrote:
> Hi!
>
> Somehow I did not see this message. Sorry.

No problem.

>>>> If I remove OTP loading the card initializes fine, but I think I will
>>>>
>>>> not have a good performance. So bad idea.
>>>
>>>
>>> All that was changed recently was that we now check the error code
>>> coming from otp.bin. So you have had this issue all along, it was just
>>> hidden before.
>>
>>
>> Same issue here.
>>
>> Is it correct that board.bin should contain the calibration data of
>> the actual board?
>> I tried copying it from the APs ART partition but still no luck.
>>
>> Any hint on how to debug further why the otp calibration fails?
>
>
> I have no idea except disabling the error return inside of ath10k_pci.
> Would that make sense as a temporary workaround? It seems I have normal
> performance without enfording otp loading.

Sure, but it is a workaround and I'd like to find out why it fails if I use the
calibration data from the original firmware.

Thanks,
Helmut



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