On Wed, May 18, 2022 at 01:04:10AM +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 > > A detailed description of the USB configuration for each mode follows: Thanks for updating the commit message and including rmnet. > Signed-off-by: Carl Yin <carl.yin@xxxxxxxxxxx> > --- > > v2: > add at+qcfgext="usbnet","rmnet" and RSVD(3) > --- > drivers/usb/serial/option.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c > index 152ad8826..21fb8da43 100644 > --- a/drivers/usb/serial/option.c > +++ b/drivers/usb/serial/option.c > @@ -256,6 +256,7 @@ static void option_instat_callback(struct urb *urb); > #define QUECTEL_PRODUCT_RM500Q 0x0800 > #define QUECTEL_PRODUCT_EC200S_CN 0x6002 > #define QUECTEL_PRODUCT_EC200T 0x6026 > +#define QUECTEL_PRODUCT_BG95 0x0700 But you seemed to have miss my other comments. These defines should remain sorted numerically by PID. > #define CMOTECH_VENDOR_ID 0x16d8 > #define CMOTECH_PRODUCT_6001 0x6001 > @@ -1143,6 +1144,10 @@ static const struct usb_device_id option_ids[] = { > .driver_info = ZLP }, > { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200S_CN, 0xff, 0, 0) }, > { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200T, 0xff, 0, 0) }, > + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG95, 0xff, 0xff, 0xff), > + .driver_info = RSVD(3) | ZLP }, > + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_BG95, 0xff, 0xfe, 0xff), > + .driver_info = ZLP }, And here it looks like you should be able to just have a single entry using USB_DEVICE_INTERFACE_CLASS(). > { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, > { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) }, Johan