linux-kernel - Re: [PATCH v2 06/35] brcmfmac: firmware: Support passing in multiple board

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Message-ID: <e2ac1706-6471-0188-00d8-1c68735d24f7@marcan.st>
Date:   Fri, 7 Jan 2022 11:50:20 +0900
From:   Hector Martin <marcan@...can.st>
To:     Andy Shevchenko <andy.shevchenko@...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>,
        Dmitry Osipenko <digetx@...il.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>,
        Linus Walleij <linus.walleij@...aro.org>,
        Hans de Goede <hdegoede@...hat.com>,
        "John W. Linville" <linville@...driver.com>,
        "brian m. carlson" <sandals@...stytoothpaste.net>,
        "open list:TI WILINK WIRELES..." <linux-wireless@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        "open list:BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER" 
        <brcm80211-dev-list.pdl@...adcom.com>,
        SHA-cyfmac-dev-list@...ineon.com
Subject: Re: [PATCH v2 06/35] brcmfmac: firmware: Support passing in multiple
 board_types

On 2022/01/04 20:28, Andy Shevchenko wrote:
> On Tue, Jan 4, 2022 at 9:28 AM Hector Martin <marcan@...can.st> wrote:
>>
>> In order to make use of the multiple alt_path functionality, change
>> board_type to an array. Bus drivers can pass in a NULL-terminated list
>> of board type strings to try for the firmware fetch.
> 
>> +               /* strip extension at the end */
>> +               strscpy(alt_path, path, BRCMF_FW_NAME_LEN);
>> +               alt_path[suffix - path] = 0;
>>
>> -       alt_paths[0] = kstrdup(alt_path, GFP_KERNEL);
>> +               strlcat(alt_path, ".", BRCMF_FW_NAME_LEN);
>> +               strlcat(alt_path, board_types[i], BRCMF_FW_NAME_LEN);
>> +               strlcat(alt_path, suffix, BRCMF_FW_NAME_LEN);
>> +
>> +               alt_paths[i] = kstrdup(alt_path, GFP_KERNEL);
>> +               brcmf_dbg(TRACE, "FW alt path: %s\n", alt_paths[i]);
> 
> Consider replacing these string manipulations with kasprintf().
> 

Done, thanks!

-- 
Hector Martin (marcan@...can.st)
Public Key: https://mrcn.st/pub