netdev - Re: [01/10] wifi: brcmfmac: chip: Only disable D11 cores; handle an arbitrary number

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Date:   Mon, 27 Feb 2023 15:00:31 +0000 (UTC)
From:   Kalle Valo <kvalo@...nel.org>
To:     Hector Martin <marcan@...can.st>
Cc:     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>,
        Sven Peter <sven@...npeter.dev>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Linus Walleij <linus.walleij@...aro.org>,
        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, Hector Martin <marcan@...can.st>,
        Arend van Spriel <arend.vanspriel@...adcom.com>
Subject: Re: [01/10] wifi: brcmfmac: chip: Only disable D11 cores;
 handle an arbitrary number

Hector Martin <marcan@...can.st> wrote:

> At least on BCM4387, the D11 cores are held in reset on cold startup and
> firmware expects to release reset itself. Just assert reset here and let
> firmware deassert it. Premature deassertion results in the firmware
> failing to initialize properly some of the time, with strange AXI bus
> errors.
> 
> Also, BCM4387 has 3 cores, up from 2. The logic for handling that is in
> brcmf_chip_ai_resetcore(), but since we aren't using that any more, just
> handle it here.
> 
> 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>

10 patches applied to wireless-next.git, thanks.

3c7c07ca7ab1 wifi: brcmfmac: chip: Only disable D11 cores; handle an arbitrary number
098e0b105ce1 wifi: brcmfmac: chip: Handle 1024-unit sizes for TCM blocks
398ce273d6b1 wifi: brcmfmac: cfg80211: Add support for scan params v2
d75ef1f81e42 wifi: brcmfmac: feature: Add support for setting feats based on WLC version
a96202acaea4 wifi: brcmfmac: cfg80211: Add support for PMKID_V3 operations
89b89e52153f wifi: brcmfmac: cfg80211: Pass the PMK in binary instead of hex
117ace4014cc wifi: brcmfmac: pcie: Add IDs/properties for BCM4387
dd7e55401fec wifi: brcmfmac: common: Add support for downloading TxCap blobs
75102b7543ed wifi: brcmfmac: pcie: Load and provide TxCap blobs
5b3ee9987f58 wifi: brcmfmac: common: Add support for external calibration blobs

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20230214092423.15175-1-marcan@marcan.st/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches