linux-kernel - Re: [PATCH 1/2] USB: serial: qcserial: add new usb-id for Dell branded EM7455

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Message-ID: <YzKYpPFyZYMkVaxS@hovoldconsulting.com>
Date:   Tue, 27 Sep 2022 08:31:00 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Frank Wunderlich <linux@...web.de>
Cc:     linux-usb@...r.kernel.org,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Bjørn Mork <bjorn@...k.no>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH 1/2] USB: serial: qcserial: add new usb-id for Dell
 branded EM7455

On Mon, Sep 26, 2022 at 05:07:39PM +0200, Frank Wunderlich wrote:
> From: Frank Wunderlich <frank-w@...lic-files.de>
> 
> Add support for Dell 5811e (EM7455) with USB-id 0x413c:0x81c2.
> 
> Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
> Cc: stable@...r.kernel.org
> ---
>  drivers/usb/serial/qcserial.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
> index 586ef5551e76..7897609916a6 100644
> --- a/drivers/usb/serial/qcserial.c
> +++ b/drivers/usb/serial/qcserial.c
> @@ -177,6 +177,7 @@ static const struct usb_device_id id_table[] = {
>  	{DEVICE_SWI(0x413c, 0x81b3)},	/* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
>  	{DEVICE_SWI(0x413c, 0x81b5)},	/* Dell Wireless 5811e QDL */
>  	{DEVICE_SWI(0x413c, 0x81b6)},	/* Dell Wireless 5811e QDL */
> +	{DEVICE_SWI(0x413c, 0x81c2)},	/* Dell Wireless 5811e QDL */

I assume this is not just for QDL mode as the comment indicates.

Could you post the output of usb-devices for this device?

>  	{DEVICE_SWI(0x413c, 0x81cb)},	/* Dell Wireless 5816e QDL */
>  	{DEVICE_SWI(0x413c, 0x81cc)},	/* Dell Wireless 5816e */
>  	{DEVICE_SWI(0x413c, 0x81cf)},   /* Dell Wireless 5819 */

Johan