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Date:   Sat, 24 Dec 2022 08:55:15 +0100
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Subject: Re: [6.2][regression] after commit
 cd372b8c99c5a5cf6a464acebb7e4a79af7ec8ae stopping working wifi mt7921e
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To:     Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>,
        Felix Fietkau <nbd@nbd.name>
Cc:     lorenzo@kernel.org, sujuan.chen@mediatek.com,
        Linux List Kernel Mailing <linux-wireless@vger.kernel.org>,
        Linux List Kernel Mailing <linux-kernel@vger.kernel.org>
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From:   Thorsten Leemhuis <regressions@leemhuis.info>
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On 22.12.22 07:47, Mikhail Gavrilov wrote:
> On Wed, Dec 21, 2022 at 10:17 PM Felix Fietkau <nbd@nbd.name> wrote:
>>
>> Sorry, I worked on a tree that had other pending fixes applied.
>> Please try this:
>>
>>
>> --- a/drivers/net/wireless/mediatek/mt76/dma.c
>> +++ b/drivers/net/wireless/mediatek/mt76/dma.c
>> @@ -205,6 +205,52 @@ mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q)
>>         mt76_dma_sync_idx(dev, q);
>>   }
> [cutted]
>>   EXPORT_SYMBOL_GPL(mt76_rx_token_consume);
>>
> 
> I confirms after applying this patch the issue was gone (wifi works as
> before commit cd372b8c99c5a5cf6a464acebb7e4a79af7ec8ae).
> 
> Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
> 

TWIMC, there are two more reports that at least to my eyes look like
they are about the problem discussed here:

https://bugzilla.kernel.org/show_bug.cgi?id=216829
https://bugzilla.kernel.org/show_bug.cgi?id=216839

I pointed both reporters to this thread.

Ciao, thorsten