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Message-ID: <d03bd4d4-e4ef-681b-b4a5-02822e1eee75@linaro.org>
Date:   Fri, 25 Nov 2022 12:42:29 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Kalle Valo <kvalo@...nel.org>,
        Alvin Šipraga <ALSI@...g-olufsen.dk>,
        Hector Martin <marcan@...can.st>,
        "~postmarketos/upstreaming@...ts.sr.ht" 
        <~postmarketos/upstreaming@...ts.sr.ht>,
        "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>,
        Arend van Spriel <aspriel@...il.com>,
        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>,
        Soon Tak Lee <soontak.lee@...ress.com>,
        "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>
Subject: Re: [PATCH v2] brcmfmac: Add support for BCM43596 PCIe Wi-Fi



On 21.11.2022 14:56, Linus Walleij wrote:
> On Fri, Nov 18, 2022 at 5:47 PM Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
> 
>> I can think of a couple of hacky ways to force use of 43596 fw, but I
>> don't think any would be really upstreamable..
> 
> If it is only known to affect the Sony Xperias mentioned then
> a thing such as:
> 
> if (of_machine_is_compatible("sony,xyz") ||
>     of_machine_is_compatible("sony,zzz")... ) {
>    // Enforce FW version
> }
> 
> would be completely acceptable in my book. It hammers the
> problem from the top instead of trying to figure out itsy witsy
> details about firmware revisions.
> 
> Yours,
> Linus Walleij
Actually, I think I came up with a better approach by pulling a page
out of Asahi folks' book - please take a look and tell me what you
think about this:

[1] https://github.com/SoMainline/linux/commit/4b6fccc995cd79109b0dae4e4ab2e48db97695e7
[2] https://github.com/SoMainline/linux/commit/e3ea1dc739634f734104f37fdbed046873921af7


Konrad

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