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From:   Denis Kalashnikov <denis281089@gmail.com>
Date:   Tue, 14 Jan 2020 11:46:49 +0300
Message-ID: <CAKoLU8MRzBaB9AS0--vCG01hKhBrdzB8=42A+vMv9X39ZAPZLQ@mail.gmail.com>
Subject: Re: [PATCH v3] ath9k: fix firmware bug in some Mikrotik R11e-2HPnD cards
To:     Tom Psyborg <pozega.tomislav@gmail.com>
Cc:     Felix Fietkau <nbd@nbd.name>, linux-wireless@vger.kernel.org,
        Kalle Valo <kvalo@codeaurora.org>
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Using MAC address for distinguishing these cards is a good idea for
local/ad-hoc solution. Thanks guys for participating in the question
and help. We decided to send these cards back to Mikrotik.

=D0=B2=D1=82, 14 =D1=8F=D0=BD=D0=B2. 2020 =D0=B3. =D0=B2 05:52, Tom Psyborg=
 <pozega.tomislav@gmail.com>:
>
> On 13/01/2020, Denis Kalashnikov <denis281089@gmail.com> wrote:
> > I read value from the SREV register of AR9582 -- got 0x001c04ff. I
> > looked through the code of ath9k and found out that in this case the
> > revision is 4. So, since AR_SREV_REVISION_9580_10 is defined as 4, I
> > logically concluded that AR_SREV_9580_10 would do the job. But you
> > suspicions turned to be right. I tested AR9580 now and it has the same
> > value as AR9582 in the SREV register -- 0x001c04ff. PCI Subsystem ID
> > is zero on those Mikrotik cards, so it is not useful. Felix, guys, may
> > be somebody have any thoughts how we can distinguish AR9582? Or that a
> > chip has only 2 chains? May be values from other registers?
> >
>
> read MAC OUI any apply only to mikrotik ones?