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Subject[patch 22/38] usbnet: add support for some Huawei modems with cdc-ether ports
2.6.38-stable review patch.  If anyone has any objections, please let us know.

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

From: Dan Williams <dcbw@redhat.com>

commit b3c914aa84f4e4bbb3efc8f41c359d96e5e932d2 upstream.

Some newer Huawei devices (T-Mobile Rocket, others) have cdc-ether
compatible ports, so recognize and expose them.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/net/usb/cdc_ether.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)

--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -458,7 +458,7 @@ static const struct driver_info cdc_info
.manage_power = cdc_manage_power,
};

-static const struct driver_info mbm_info = {
+static const struct driver_info wwan_info = {
.description = "Mobile Broadband Network Device",
.flags = FLAG_WWAN,
.bind = cdc_bind,
@@ -469,6 +469,7 @@ static const struct driver_info mbm_info

/*-------------------------------------------------------------------------*/

+#define HUAWEI_VENDOR_ID 0x12D1

static const struct usb_device_id products [] = {
/*
@@ -578,8 +579,17 @@ static const struct usb_device_id produc
}, {
USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM,
USB_CDC_PROTO_NONE),
- .driver_info = (unsigned long)&mbm_info,
+ .driver_info = (unsigned long)&wwan_info,

+}, {
+ /* Various Huawei modems with a network port like the UMG1831 */
+ .match_flags = USB_DEVICE_ID_MATCH_VENDOR
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = HUAWEI_VENDOR_ID,
+ .bInterfaceClass = USB_CLASS_COMM,
+ .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET,
+ .bInterfaceProtocol = 255,
+ .driver_info = (unsigned long)&wwan_info,
},
{ }, // END
};



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