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Message-ID: <CACRpkdbNssF5c7oJnm-EbjAJnD25kv2V7wp+TCKQZnVHJsni-g@mail.gmail.com>
Date:   Wed, 7 Dec 2022 00:37:57 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Arend van Spriel <arend.vanspriel@...adcom.com>,
        Arend Van Spriel <aspriel@...il.com>
Cc:     Kalle Valo <kvalo@...nel.org>,
        Alvin Šipraga <ALSI@...g-olufsen.dk>,
        Hector Martin <marcan@...can.st>,
        "martin.botka@...ainline.org" <martin.botka@...ainline.org>,
        "angelogioacchino.delregno@...ainline.org" 
        <angelogioacchino.delregno@...ainline.org>,
        "marijn.suijten@...ainline.org" <marijn.suijten@...ainline.org>,
        "jamipkettunen@...ainline.org" <jamipkettunen@...ainline.org>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Marek Vasut <marex@...x.de>,
        "Zhao, Jiaqing" <jiaqing.zhao@...el.com>,
        "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "brcm80211-dev-list.pdl@...adcom.com" 
        <brcm80211-dev-list.pdl@...adcom.com>,
        "SHA-cyfmac-dev-list@...ineon.com" <SHA-cyfmac-dev-list@...ineon.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, phone-devel@...r.kernel.org
Subject: Re: [PATCH v2] brcmfmac: Add support for BCM43596 PCIe Wi-Fi

On Tue, Dec 6, 2022 at 10:59 AM Konrad Dybcio <konrad.dybcio@...aro.org> wrote:

> Yes, it does seem to work just fine! The kernel now looks for
> brcm/brcmfmac4359c-pcie.sony,kagura-row.bin as we would expect.

So the Sony kagura needs a special brcmfmac firmware like so many
other mobile phones. There are a few Samsungs with custom firmware
as well.

Arend: what is the legal situation with these custom firmwares?

I was under the impression that Broadcom actually made these,
so they could in theory be given permission for redistribution in
linux-firmware?

Some that I have are newer versions than what is in Linux-firmware,
e.g this from linux-firmware:

brcm/brcmfmac4330-sdio.bin
4330b2-roml/sdio-ag-pool-ccx-btamp-p2p-idsup-idauth-proptxstatus-pno-aoe-toe-pktfilter-keepalive
Version: 5.90.125.104 CRC: 2570e6a3 Date: Tue 2011-10-25 19:34:26 PDT

There is this found in Samsung Codina GT-I8160:
4330b2-roml/sdio-g-p2p-aoe-pktfilter-keepalive-pno-ccx-wepso Version:
5.99.10.0 CRC: 4f7fccf Date: Wed 2012-12-05 01:02:50 PST FWID
01-52653ba9

Or:
brcmfmac4334-sdio.bin
4334b1min-roml/sdio-ag-pno-p2p-ccx-extsup-proptxstatus-dmatxrc-rxov-pktfilter-keepalive-aoe-vsdb-wapi-wl11d
Version: 6.10.0.0 CRC: 31410dd4 Date: Tue 2012-06-26 11:33:07 PDT FWID
01-8ee3be86

There is this found in Samsung Golden GT-I8190N:
4334b1-roml/sdio-ag-p2p-extsup-aoe-pktfilter-keepalive-pno-dmatxrc-rxov-proptxstatus-vsdb-mchan-okc-rcc-fmc-wepso-txpwr-autoabn-sr
Version: 6.10.58.99 CRC: 828f9174 Date: Mon 2013-08-26 02:13:44 PDT
FWID 01-e39d4d77

So in some cases more than a year newer firmware versions
compared to linux-firmware, I guess also customized for the
phones, but I can't really tell because we don't have anything
of similar date in linux-firmware.

Yours,
Linus Walleij

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