linux-kernel - Re: [PATCH] Revert "ath: add support for special 0x0 regulatory domain"

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Message-ID: <c9904373-7e20-64b6-8900-69d38f2cdef4@newmedia-net.de>
Date:   Tue, 20 Sep 2022 07:42:36 +0200
From:   Sebastian Gottschall <s.gottschall@...media-net.de>
To:     Sergey Ryazanov <ryazanov.s.a@...il.com>,
        Tim Harvey <tharvey@...eworks.com>
Cc:     Brian Norris <briannorris@...omium.org>,
        Cale Collins <ccollins@...eworks.com>, kvalo@...nel.org,
        Patrick Steinhardt <ps@....im>,
        ath10k <ath10k@...ts.infradead.org>,
        linux-wireless <linux-wireless@...r.kernel.org>,
        Linux Kernel <linux-kernel@...r.kernel.org>,
        stable <stable@...r.kernel.org>,
        Stephen McCarthy <stephen.mccarthy@...el.com>
Subject: Re: [PATCH] Revert "ath: add support for special 0x0 regulatory
 domain"

Am 20.09.2022 um 01:42 schrieb Sergey Ryazanov:

> Hello,
>
> I would like to add my 2c.
>
> On Mon, Sep 19, 2022 at 8:25 PM Tim Harvey <tharvey@...eworks.com> wrote:
>> I'm not clear if
>> there are many other cards that have this same issue.
> The list of cards with unprogrammed regdomain can be extended with
> several relatively modern models:
>    * MikroTik R11e-5HacD (QCA9882 based)
>    * MikroTik R11e-5HacT (QCA9880 based)
>    * QNAP QWA-AC2600 (QCA9984 based) [1]
>
> As you can see these are powerful and massive cards for WISPs. Or at
> least to run as an AP. I also know a bunch of .11a/b/g/n cards with
> zero regdomain and the same target audience. Except maybe for the
> legacy Wistorn CM9, which is a relatively compact card.
>
> Also, a huge number of wireless routers and access points have
> unprogrammed regdomain. But probably this is not the case, since they
> anyway can not run a stock kernel.
>
> 1. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1895333
let me add my 2c. the regdomain 0 is very common and defacto a standard 
for all non oem cards on the market. i have only seen real programmed cards
as buildin cards in laptops.
beside of these zero cards there are other special regdomains available 
for ath cards

>