linux-kernel - Re: [PATCH v4 2/2] Bluetooth: btrtl: add support for the RTL8723CS

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 9 Feb 2023 08:02:06 +0100
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Luiz Augusto von Dentz <luiz.dentz@...il.com>
Cc:     Bastian Germann <bage@...ian.org>,
        Vasily Khoruzhick <anarsoul@...il.com>,
        Johan Hedberg <johan.hedberg@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        BlueZ <linux-bluetooth@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, netdev@...r.kernel.org
Subject: Re: [PATCH v4 2/2] Bluetooth: btrtl: add support for the RTL8723CS

Hi Luiz,

>> The Realtek RTL8723CS is a SDIO WiFi chip. It also contains a Bluetooth
>> module which is connected via UART to the host.
>> 
>> It shares lmp subversion with 8703B, so Realtek's userspace
>> initialization tool (rtk_hciattach) differentiates varieties of RTL8723CS
>> (CG, VF, XX) with RTL8703B using vendor's command to read the chip type.
> 
> Don't remember anything called rtk_hciattach, besides if that is based
> on hciattach that is already deprecated in favor of btattach.

and btattach is also deprecated. Write a proper serdev based driver.

The hci_ldisc line discipline crap needs to be removed.

Regards

Marcel