compat-wireless-2014-05-22 breaks ath10k in an Archer C7 v2

[Kalle Valo]

Sven Schnelle <svens at stackframe.org> writes:

> On 05/29/2014 09:48 AM, Michal Kazior wrote:
>> +ath10k at lists.infradead.org
>>
>> On 28 May 2014 20:35, Andy Lutomirski <luto at amacapital.net> wrote:
>>> It dies with 'otp calibration failed: 2'.
>>>
>>> Some older version of the driver seemed to work fine.
>> ath10k did not verify otp result before so it could load successfully
>> despite errors.
>>
>> Someone raised this problem yesterday on IRC. I'm not really sure how
>> we should deal with this properly.
>>
>>
>> http://lists.infradead.org/mailman/listinfo/ath10k
> I see the following output on the firmware console:
>
> otp main...
> Table initialized..
> streamCnt 0
> Golden Bin/fake Board Template used ...
> otp done...
> assertion failed? pc=0x948f19, line=5555, dump area=0x40ad04
> Target ID: 0x4100016c (1090519404)
> Debug Info:
> 0x4100016c 0x000015b3 0x00948f19 0x00955b31
> 0x00948f19 0x00060530 0x00000004 0x00000000
> 0x00000000 0x004045f0 0x00404610 0x00955a00
> 0x0000
>
> However, the AP where OTP now fails is an engineering sample,
> and probably doesn't contain any valid calibration. It did work
> in the past, but with the latest ath10k the driver doesn't load
> because of OTP failing. So maybe that output is helpful here.

What we could do is add 'skip_otp' (or similar) module parameter,
otp.bin is not run and then you just get the default calibration data.

-- 
Kalle Valo