From:   Arend Van Spriel <arend.vanspriel@broadcom.com>
To:     Michael Stapelberg <michael+lkml@stapelberg.ch>
CC:     Kalle Valo <kvalo@kernel.org>,
        Franky Lin <franky.lin@broadcom.com>,
        "Pieter-Paul Giesberts" <pieter-paul.giesberts@broadcom.com>,
        Hante Meuleman <hante.meuleman@broadcom.com>,
        <linux-wireless@vger.kernel.org>
Date:   Tue, 14 Mar 2023 23:26:25 +0100
Message-ID: <186e23b5668.279b.9b12b7fc0a3841636cfb5e919b41b954@broadcom.com>
In-Reply-To: <CANnVG6=a3etRagG+RaSEH-b4_nfzxpEKffQtuMWrttrbgjunZQ@mail.gmail.com>
References: <CANnVG6=a3etRagG+RaSEH-b4_nfzxpEKffQtuMWrttrbgjunZQ@mail.gmail.com>
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Subject: Re: wifi breakage due to commit "wifi: brcmfmac: add support for vendor-specific firmware api"
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On March 14, 2023 8:39:05 PM Michael Stapelberg 
<michael+lkml@stapelberg.ch> wrote:

> Hey Arend
>
> I recently bisected a user-reported WiFi breakage on the Raspberry Pi
> 3B+ to your commit
> https://github.com/torvalds/linux/commit/d6a5c562214f26e442c8ec3ff1e28e16675d1bcf
> https://lore.kernel.org/r/20221129135446.151065-4-arend.vanspriel@broadcom.com
>
> On our end, the issue was reported here:
> https://github.com/gokrazy/wifi/issues/3
>
> As of Linux 6.2.6, this seems to still be unfixed, so I wanted to
> check in and see if you could take a look please?

I have a suspicion, but can you provide the kernel .config file so I can 
see if I am on the right track.

> + brcmfmac: brcmf_fwvid_request_module: mod=wcc: failed -2
> + ieee80211 phy0: brcmf_attach: brcmf_fwvid_attach failed
> + brcmfmac: brcmf_sdio_firmware_callback: brcmf_attach failed

Regards,
Arend


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