linux-kernel - Re: [PATCH v1 4/4] brcmfmac: pcie: Perform correct BCM4364 firmware selection

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Date:   Wed, 4 Jan 2023 14:41:04 +0100
From:   Arend van Spriel <arend.vanspriel@...adcom.com>
To:     Hector Martin <marcan@...can.st>,
        Arend van Spriel <aspriel@...il.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Kalle Valo <kvalo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     Alexander Prutskov <alep@...ress.com>,
        Chi-Hsien Lin <chi-hsien.lin@...ress.com>,
        Wright Feng <wright.feng@...ress.com>,
        Ian Lin <ian.lin@...ineon.com>,
        Soontak Lee <soontak.lee@...ress.com>,
        Joseph chuang <jiac@...ress.com>,
        Sven Peter <sven@...npeter.dev>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        asahi@...ts.linux.dev, 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,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v1 4/4] brcmfmac: pcie: Perform correct BCM4364 firmware
 selection

On 1/4/2023 11:01 AM, 'Hector Martin' via BRCM80211-DEV-LIST,PDL wrote:
> This chip exists in two revisions (B2=r3 and B3=r4) on different
> platforms, and was added without regard to doing proper firmware
> selection or differentiating between them. Fix this to have proper
> per-revision firmwares and support Apple NVRAM selection.
> 
> Revision B2 is present on at least these Apple T2 Macs:
> 
> kauai:    MacBook Pro 15" (Touch/2018-2019)
> maui:     MacBook Pro 13" (Touch/2018-2019)
> lanai:    Mac mini (Late 2018)
> ekans:    iMac Pro 27" (5K, Late 2017)
> 
> And these non-T2 Macs:
> 
> nihau:    iMac 27" (5K, 2019)
> 
> Revision B3 is present on at least these Apple T2 Macs:
> 
> bali:     MacBook Pro 16" (2019)
> trinidad: MacBook Pro 13" (2020, 4 TB3)
> borneo:   MacBook Pro 16" (2019, 5600M)
> kahana:   Mac Pro (2019)
> kahana:   Mac Pro (2019, Rack)
> hanauma:  iMac 27" (5K, 2020)
> kure:     iMac 27" (5K, 2020, 5700/XT)
> 
> Fixes: 24f0bd136264 ("brcmfmac: add the BRCM 4364 found in MacBook Pro 15,2")
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Reviewed-by: Arend van Spriel <arend.vanspriel@...adcom.com>
> Signed-off-by: Hector Martin <marcan@...can.st>
> ---
>   .../net/wireless/broadcom/brcm80211/brcmfmac/pcie.c   | 11 +++++++++--
>   1 file changed, 9 insertions(+), 2 deletions(-)

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