linux-kernel - Re: [PATCH 03/34] brcmfmac: firmware: Support having multiple alt paths

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Message-ID: <CACRpkdZc75XUJh7afPhcBNaVE63Ovby2HVBe+HObvURN8i84KQ@mail.gmail.com>
Date:   Sun, 2 Jan 2022 06:31:26 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Hector Martin <marcan@...can.st>,
        Dmitry Osipenko <digetx@...il.com>
Cc:     Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        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>,
        Sven Peter <sven@...npeter.dev>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Mark Kettenis <kettenis@...nbsd.org>,
        Rafał Miłecki <zajec5@...il.com>,
        Pieter-Paul Giesberts <pieter-paul.giesberts@...adcom.com>,
        Hans de Goede <hdegoede@...hat.com>,
        "John W. Linville" <linville@...driver.com>,
        "Daniel (Deognyoun) Kim" <dekim@...adcom.com>,
        "brian m. carlson" <sandals@...stytoothpaste.net>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, brcm80211-dev-list.pdl@...adcom.com,
        SHA-cyfmac-dev-list@...ineon.com
Subject: Re: [PATCH 03/34] brcmfmac: firmware: Support having multiple alt paths

On Sun, Dec 26, 2021 at 4:37 PM Hector Martin <marcan@...can.st> wrote:

> Apple platforms have firmware and config files identified with multiple
> dimensions. We want to be able to find the most specific firmware
> available for any given platform, progressively trying more general
> firmwares.
>
> First, add support for having multiple alternate firmware paths.
>
> Signed-off-by: Hector Martin <marcan@...can.st>

This looks OK to me so FWIW:
Acked-by: Linus Walleij <linus.walleij@...aro.org>

Make sure Dmitry Osipenko gets to review this though, he has many
valuable insights about how the FW is loaded and helped me out a
lot when I patched this.

Yours,
Linus Walleij