[PATCH] option: added support for Thales Cinterion MV31 option port.

[Giacinto Cifelli <gciofono@gmail.com>]

There is a single option port in this modem, and it is used as debug port

Signed-off-by: Giacinto Cifelli <gciofono@gmail.com>
---
 drivers/usb/serial/option.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 54ca85cc920d..3ad86a6e8487 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -424,6 +424,7 @@ static void option_instat_callback(struct urb *urb);
 #define CINTERION_PRODUCT_AHXX_2RMNET		0x0084
 #define CINTERION_PRODUCT_AHXX_AUDIO		0x0085
 #define CINTERION_PRODUCT_CLS8			0x00b0
+#define CINTERION_PRODUCT_EXS82			0x006c
 
 /* Olivetti products */
 #define OLIVETTI_VENDOR_ID			0x0b3c
@@ -1908,6 +1909,8 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) },
 	{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, /* HC28 enumerates with Siemens or Cinterion VID depending on FW revision */
 	{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
+	{ USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EXS82, 0xff),
+	  .driver_info = RSVD(1) | RSVD(2) | RSVD(3) },
 	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100),
 	  .driver_info = RSVD(4) },
 	{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD120),
-- 
2.17.1