On Mon, Sep 26, 2022 at 05:07:39PM +0200, Frank Wunderlich wrote: > From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx> > > Add support for Dell 5811e (EM7455) with USB-id 0x413c:0x81c2. > > Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > --- > 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