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

From: Marcel Holtmann
Date: Thu Feb 09 2023 - 02:08:44 EST


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