UPSTREAM: USB: option: blacklist network interface on Huawei E173
authorBjørn Mork <bjorn@mork.no>
Sun, 25 Nov 2012 16:05:10 +0000 (17:05 +0100)
committerChromeBot <chrome-bot@google.com>
Fri, 10 May 2013 05:11:37 +0000 (22:11 -0700)
The Huawei E173 will normally appear as 12d1:1436 in Linux.  But
the modem has another mode with different device ID and a slightly
different set of descriptors. This is the mode used by Windows like
this:

  3Modem:      USB\VID_12D1&PID_140C&MI_00\6&3A1D2012&0&0000
  Networkcard: USB\VID_12D1&PID_140C&MI_01\6&3A1D2012&0&0001
  Appli.Inter: USB\VID_12D1&PID_140C&MI_02\6&3A1D2012&0&0002
  PC UI Inter: USB\VID_12D1&PID_140C&MI_03\6&3A1D2012&0&0003

All interfaces have the same ff/ff/ff class codes in this mode.
Blacklisting the network interface to allow it to be picked up by
the network driver.

Cc: stable <stable@vger.kernel.org>
Reported-by: Thomas Schäfer <tschaefer@t-online.de>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit f36446cf9bbebaa03a80d95cfeeafbaf68218249)

Change-Id: I539d5879c3004f1a22532337c84cce8b2f47a2a7
Signed-off-by: Ben Chan <benchan@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/50571
Reviewed-by: Olof Johansson <olofj@chromium.org>
drivers/usb/serial/option.c

index 57233a1..23ced3c 100644 (file)
@@ -80,6 +80,7 @@ static void option_instat_callback(struct urb *urb);
 #define OPTION_PRODUCT_GTM380_MODEM            0x7201
 
 #define HUAWEI_VENDOR_ID                       0x12D1
+#define HUAWEI_PRODUCT_E173                    0x140C
 #define HUAWEI_PRODUCT_K4505                   0x1464
 #define HUAWEI_PRODUCT_K3765                   0x1465
 #define HUAWEI_PRODUCT_K4605                   0x14C6
@@ -530,6 +531,8 @@ static const struct usb_device_id option_ids[] = {
        { USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLX) },
        { USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GKE) },
        { USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLE) },
+       { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173, 0xff, 0xff, 0xff),
+               .driver_info = (kernel_ulong_t) &net_intf1_blacklist },
        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff),
                .driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
        { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff),