linux-kernel - Re: [PATCH v3] USB: serial: option: add Quectel BG95 modem

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Message-ID: <YoXeSO1Hd75tT1/y@hovoldconsulting.com>
Date:   Thu, 19 May 2022 08:06:00 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Carl Yin(殷张成) <carl.yin@...ctel.com>
Cc:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "rspmn@...or.de" <rspmn@...or.de>,
        Torres Liu <torres.liu@...ctel.com>
Subject: Re: [PATCH v3] USB: serial: option: add Quectel BG95 modem

On Thu, May 19, 2022 at 02:34:43AM +0000, Carl Yin(殷张成) wrote:
> The BG95 modem has 3 USB configurations that are configurable via the AT
> command AT+QCFGEXT="usbnet",["ecm"|"modem"|"rmnet"] which make the modem
> enumerate with the following interfaces, respectively:
> 
> "modem": Diag + GNSS + Modem + Modem
> "ecm"  : Diag + GNSS + Modem + ECM
> "rmnet": Diag + GNSS + Modem + QMI
>          Don't support Full QMI messages (e.g WDS_START_NETWORK_INTERFACE)
> 
> A detailed description of the USB configuration for each mode follows:

> Signed-off-by: Carl Yin <carl.yin@...ctel.com>
> ---
> 
> v3:
> 1. use USB_DEVICE_INTERFACE_CLASS instead of USB_DEVICE_AND_INTERFACE_INFO
> 2. introduce limitations of QMI in commit message
> 
> v2:
> add at+qcfgext="usbnet","rmnet" and RSVD(3)

Thanks for the update. Now applied.

Johan