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Subject: Re: [PATCH v2 1/2] mwifiex: Select firmware based on strapping
From:   Kalle Valo <kvalo@kernel.org>
In-Reply-To: <20220422090313.125857-2-andrejs.cainikovs@toradex.com>
References: <20220422090313.125857-2-andrejs.cainikovs@toradex.com>
To:     Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
Cc:     linux-wireless@vger.kernel.org,
        Amitkumar Karwar <amitkarwar@gmail.com>,
        Ganapathi Bhat <ganapathi017@gmail.com>,
        Sharvari Harisangam <sharvari.harisangam@nxp.com>,
        Xinming Hu <huxinming820@gmail.com>,
        Andrejs Cainikovs <andrejs.cainikovs@toradex.com>,
        "David S . Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Brian Norris <briannorris@chromium.org>,
        =?utf-8?q?Jonas_Dre=C3=9Fler?= <verdre@v0yd.nl>,
        =?utf-8?q?Alvin_=C5=A0ipra?= =?utf-8?q?ga?= 
        <alsi@bang-olufsen.dk>,
        Francesco Dolcini <francesco.dolcini@toradex.com>,
        netdev@vger.kernel.org
User-Agent: pwcli/0.1.0-git (https://github.com/kvalo/pwcli/) Python/3.7.3
Message-ID: <165103540307.18987.14473216112376027379.kvalo@kernel.org>
Date:   Wed, 27 Apr 2022 04:56:44 +0000 (UTC)
Precedence: bulk

Andrejs Cainikovs <andrejs.cainikovs@toradex.com> wrote:

> Some WiFi/Bluetooth modules might have different host connection
> options, allowing to either use SDIO for both WiFi and Bluetooth,
> or SDIO for WiFi and UART for Bluetooth. It is possible to detect
> whether a module has SDIO-SDIO or SDIO-UART connection by reading
> its host strap register.
> 
> This change introduces a way to automatically select appropriate
> firmware depending of the connection method, and removes a need
> of symlinking or overwriting the original firmware file with a
> required one.
> 
> Host strap register used in this commit comes from the NXP driver [1]
> hosted at Code Aurora.
> 
> [1] https://source.codeaurora.org/external/imx/linux-imx/tree/drivers/net/wireless/nxp/mxm_wifiex/wlan_src/mlinux/moal_sdio_mmc.c?h=rel_imx_5.4.70_2.3.2&id=688b67b2c7220b01521ffe560da7eee33042c7bd#n1274
> 
> Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
> Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>

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

255ca28a659d mwifiex: Select firmware based on strapping
562354ab9f0a mwifiex: Add SD8997 SDIO-UART firmware

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20220422090313.125857-2-andrejs.cainikovs@toradex.com/

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