[112/165] Bind only modem AT command endpoint to option module.

From: Greg KH
Date: Wed Jun 01 2011 - 04:40:42 EST


2.6.39-stable review patch. If anyone has any objections, please let us know.

------------------
Content-Length: 1770
Lines: 40

From: "Marius B. Kotsbak" <marius@xxxxxxxxxxx>

commit 15b2f3204a5c878c32939094775fb7349f707263 upstream.

Network interface is handled by upcoming gt_b3730 module.

Removed "GT-B3710" from comment, it is another modem with another USB ID.

Signed-off-by: Marius B. Kotsbak <marius@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
drivers/usb/serial/option.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -972,7 +972,7 @@ static const struct usb_device_id option
{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) },
{ USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
{ USB_DEVICE(ONDA_VENDOR_ID, ONDA_MT825UP) }, /* ONDA MT825UP modem */
- { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730/GT-B3710 LTE USB modem.*/
+ { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
@@ -1109,6 +1109,12 @@ static int option_probe(struct usb_seria
serial->interface->cur_altsetting->desc.bInterfaceNumber == 1)
return -ENODEV;

+ /* Don't bind network interface on Samsung GT-B3730, it is handled by a separate module */
+ if (serial->dev->descriptor.idVendor == SAMSUNG_VENDOR_ID &&
+ serial->dev->descriptor.idProduct == SAMSUNG_PRODUCT_GT_B3730 &&
+ serial->interface->cur_altsetting->desc.bInterfaceClass != USB_CLASS_CDC_DATA)
+ return -ENODEV;
+
data = serial->private = kzalloc(sizeof(struct usb_wwan_intf_private), GFP_KERNEL);

if (!data)


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