linux-kernel - Re: [PATCH] brcmfmac: use separate firmware for 43430 revision 2

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Message-ID: <87a6oxpsn8.fsf@gmail.com>
Date:   Fri, 14 May 2021 12:41:08 +0300
From:   Mikhail Rudenko <mike.rudenko@...il.com>
To:     Arend van Spriel <arend.vanspriel@...adcom.com>
Cc:     Arend van Spriel <aspriel@...il.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Chi-hsien Lin <chi-hsien.lin@...ineon.com>,
        Wright Feng <wright.feng@...ineon.com>,
        Chung-hsien Hsu <chung-hsien.hsu@...ineon.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Dmitry Osipenko <digetx@...il.com>,
        Double Lo <double.lo@...ress.com>,
        Remi Depommier <rde@...rix.com>,
        Amar Shankar <amsr@...ress.com>,
        Saravanan Shanmugham <saravanan.shanmugham@...ress.com>,
        Frank Kao <frank.kao@...ress.com>,
        linux-wireless@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com,
        SHA-cyfmac-dev-list@...ineon.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] brcmfmac: use separate firmware for 43430 revision 2


On 2021-05-10 at 11:06 MSK, Arend van Spriel <arend.vanspriel@...adcom.com> wrote:
> On 5/10/2021 1:30 AM, Mikhail Rudenko wrote:
>> A separate firmware is needed for Broadcom 43430 revision 2.  This
>> chip can be found in e.g. certain revisions of Ampak AP6212 wireless
>> IC. Original firmware file from IC vendor is named
>> 'fw_bcm43436b0.bin', but brcmfmac and also btbcm drivers report chip
>
> That is bad naming. There already is a 43436 USB device.
>
>> id 43430, so requested firmware file name is
>> 'brcmfmac43430b0-sdio.bin' in line with other 43430 revisions.
>
> As always there is the question about who will be publishing this
> particular firmware file to linux-firmware.

The above mentioned file can be easily found by web search. Also, the
corresponding patch for the bluetooth part has just been accepted
[1]. Is it strictly necessary to have firmware file in linux-firmware in
order to have this patch accepted?

--
Regards,
Mikhail

[1] https://lore.kernel.org/linux-bluetooth/E8A21908-1D48-4B89-8A88-7E82A71E0DA4@holtmann.org/