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USB option driver K3765/K4505 avoid CDC_DATA interface
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Currently the Option driver avoids binding interface 1 on Huawei K3765
and K4505 broadband modems as it should be handled by the cdc_ether
driver instead. This patch ensures we don't bind the interface 2
on those devices as that is CDC_DATA.

Signed-off-by: Andrew Bird <ajb@spheresystems.co.uk>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Andrew Bird authored and Greg Kroah-Hartman committed Aug 22, 2011
1 parent c6eb2d7 commit 6118514
Showing 1 changed file with 2 additions and 1 deletion.
3 changes: 2 additions & 1 deletion drivers/usb/serial/option.c
Original file line number Diff line number Diff line change
Expand Up @@ -1235,7 +1235,8 @@ static int option_probe(struct usb_serial *serial,
(serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K3765 ||
serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K4505 ||
serial->dev->descriptor.idProduct == HUAWEI_PRODUCT_K4605) &&
serial->interface->cur_altsetting->desc.bInterfaceNumber == 1)
(serial->interface->cur_altsetting->desc.bInterfaceNumber == 1 ||
serial->interface->cur_altsetting->desc.bInterfaceNumber == 2))
return -ENODEV;

/* Don't bind network interface on Samsung GT-B3730, it is handled by a separate module */
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