wcn3990 firmware

Dmitry Baryshkov dmitry.baryshkov at linaro.org
Wed Aug 2 04:23:43 PDT 2023

On 02/08/2023 13:28, Kalle Valo wrote:
> Dmitry Baryshkov <dmitry.baryshkov at linaro.org> writes:
>> On 24/07/2023 22:38, Dmitry Baryshkov wrote:
>>> Hello Kalle, colle
>>> Yet-another firmware question (I remember the standard answer of not
>>> using firmware not coming from your side). I see that for
>>> wcn3990/hw1.0 we have wlanmdsp.mbn with the version
>>> WLAN.HL.2.0-01387-QCAHLSWMTPLZ-1
>>> We have got the newer wlanmdsp.mbn released under
>>> redistribution-permissive license (LICENSE.qcom from
>>> linux-firmware). The file has the version
>>> WLAN.HL.3.3.7.c2-00723-QCAHLSWMTPLZ-1. It was released for the
>>> ath10k embedded into Qualcomm QRB2210 / QRB4210 SoCs.
>> Update: with the current wlanmdsp.mbn I'm getting the following error
>> from the DSP:
>> [   22.468121] qcom_q6v5_pas 6080000.remoteproc: fatal error received:
>> EX:kernel:0x0:SigVerify:0x173:PC=0xc10dd460
>> The board is not fused, but the signature format was changed (and so
>> were some of the fields).
>> It seems we will have to provide the updated file somehow to
>> linux-firmware. What would be the preferred way for us to do so?
> I cannot take firmware files from a 3rd party.


> Also I don't follow the
> WCN3990 firmware development so I can't really comment how that firmware
> release works with different WCN3990 hardware, board files and/or
> calibration data.

It seems to work pretty normal. I have pointed out the only issue we 
have stumbled so far in 
https://bugzilla.kernel.org/show_bug.cgi?id=217748 (the warning during 

> But if you think that release should be submitted to
> linux-firmware that's up to you.

This obviously means that we should not push it to 
<linux-firmware>/ath10k/WCN3990, correct?

With best wishes

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