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

[Michal Kazior]

On 7 June 2014 22:37, Sven Schnelle <svens at stackframe.org> wrote:
> Hi Michal,
>
> Am 05.06.2014 14:20, schrieb Michal Kazior:
>
>> This seems to confirm otp fails to load with error code 2. The assert
>> stack trace points to copy engine in ROM image. Wierd. Anyway, I've
>> extracted firmware files from TP-Link Archer C7 original rootfs. Can you
>> give it a try, please? See the OpenWRT ticket:
>> https://dev.openwrt.org/ticket/16589
>
>
> i tried, but the result doesn't look better:
>
> [    9.640000] ath10k: pci irq legacy irq_mode 0 reset_mode 0
> [    9.730000] ath10k: otp calibration failed: 2
> [   10.540000] ath10k: UART prints enabled
> [   10.600000] ath10k: qca988x hw2.0 (0x4100016c, 0x043202ff) fw
> 10.1.467-tplink-a-c7 api 2 htt 2.1
>
> I removed the error return in ath10k, that's why the firmware starts even
> with the otp error. I don't see the Assertion failure with this otp
> firmware:
>
> CLI>build_version=0x11, rom_version=0x41020000, ram_version=0x11,
> stack_size=6348
> reset reason=0x5
>
> Image startup of Normal mode
> Mac address is : 00:03:7f:4f:00:16

Interesting. I assume you see this exact same mac addr in ifconfig for
ath10k's wlan interface? If OTP is broken you usually get
00:03:07:12:34:56 if my memory serves right.

What mac address do you get when you use the stock firmware-2.bin and
board.bin (instead of mine/from mtd)?


Michał