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Subject[019/244] USB option driver K3765/K4505 avoid CDC_DATA interface
3.0-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Andrew Bird <ajb@spheresystems.co.uk>

commit 6118514e8749105334f46ccec6faf9a439be6cf9 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/usb/serial/option.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1235,7 +1235,8 @@ static int option_probe(struct usb_seria
(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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