ath11k: qca6390 firmware crashes while connecting to 160 MHz channel

[Wen Gong]

On 2021-02-14 02:36, Justin Mazzola Paluska wrote:
> On 2/12/21 1:16 AM, Kalle Valo wrote:
>> Justin Mazzola Paluska <jmp at justinmp.com> writes:
>> 
>>> On 2/11/21 6:10 AM, Kalle Valo wrote:
>>>> (changing the title to find this easier)
>>>> 
>>>> Justin Mazzola Paluska <jmp at justinmp.com> writes:
>>>> 
>>>>> On 12/21/20 12:11 PM, Kalle Valo wrote:
>>>>>>> My router supports 160 MHz channels in the 5 GHz bands [1].  I
>>>>>>> switched the router to advertising 80 MHz channels and the card 
>>>>>>> could
>>>>>>> connect.
>>>>>> Thanks for the detailed debugging, this should help us reproducing 
>>>>>> the
>>>>>> problem. What's the exact openwrt version you are using?
>>>>> The OpenWRT version is:
>>>>> 
>>>>> OpenWrt 19.07.5 r11257-5090152ae3 / LuCI openwrt-19.07 branch
>>>>> git-20.341.57626-51f55b5
>>>>> 
>>>>> (This is the latest stable release.)
>>>> Thanks. I got a report that this might be due to commit 3579994476b6
>>>> ("wireless: fix wrong 160/80+80 MHz setting"). Can you try reverting 
>>>> the
>>>> commit just to confirm we are seeing the same issue?
>>> I will try over the weekend.  Shall I still use the
>>> ath11k-qca6390-bringup branch or something else?  (I'm still running
>>> the ath11k-qca6390-bringup branch on my laptop).
>> Yes, use the same branch. Least amount of changes that way.
> 
> I reverted 3579994476b6 and re-enabled 160 MHz channels on my router. 
> I was able to connect to my router using the 5 GHz band at 80 MHz (as
> expected).
> 
> It seems that reverting 3579994476b6 fixed the firmware crash with 160
> MHz channels!
> 
> I'll leave my router in 160 MHz mode for a while to see if there are
> any problems that crop up over time.
>     --Justin
Does anyone trying revert this patch(3579994476b6 wireless: fix wrong 
160/80+80 MHz setting) upstream?