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From:   Tom Psyborg <pozega.tomislav@gmail.com>
Date:   Thu, 16 Jan 2020 08:46:57 +0100
Message-ID: <CAKR_QVLXTYsBztSH2wU3FDfwV5vaaUa0JzN=aQtMGd+CeEKE-w@mail.gmail.com>
Subject: Re: [PATCH v3] ath9k: fix firmware bug in some Mikrotik R11e-2HPnD cards
To:     Sebastian Gottschall <s.gottschall@newmedia-net.de>
Cc:     Denis Kalashnikov <denis281089@gmail.com>,
        Felix Fietkau <nbd@nbd.name>, linux-wireless@vger.kernel.org,
        Kalle Valo <kvalo@codeaurora.org>
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On 16/01/2020, Sebastian Gottschall <s.gottschall@newmedia-net.de> wrote:
>>> checking subvendor and subdevice id is usefull. mikrotik has special
>>> values here
>>>
>>> the R11e-2HPnD card has
>>>
>>> subvendor 0x19b6
>>>
>>> subdevice 0xd016
>>>
>>>
>> that i already suggested but it appears his units have zeroed sub fields
> if it has zero subfields it has no original eeprom but a modified one.
> all mikrotik cards with no exception have the subvendor and subdevice id
> set.
> the subvendor and subdevice is is stored in the eeprom. or the eeprom
> could be also broke, but in this case the values should be 0xffff
> i have several original mikrotik cards of this type and this is where i
> got these values from. are you sure that your card is no immitation?
> can he send me a picture of this card?
>

oh really? probably some fools then tampered with his cards and tried
to screw him. your units work without this patch, and tx/rx chain
reads out 0x3 ?