On Mon, Nov 16, 2015 at 01:15:46PM +0100, Bjørn Mork wrote:
> The DEVICE_HWI type was added under the faulty assumption that Huawei
> devices based on Qualcomm chipsets and firmware use the static USB
> interface numbering known from Gobi devices. But this model does
> not apply to Huawei devices like the HP branded lt4112 (Huawei me906e).
> Huawei firmwares will dynamically assign interface numbers. Functions
> are renumbered when the firmware is reconfigured.
>
> Fix by changing the DEVICE_HWI type to use a simplified version
> of Huawei's subclass + protocol scheme: Blacklisting known network
> interface combinations and assuming the rest are serial.
>
> Reported-and-tested-by: Muri Nicanor <muri+libqmi@xxxxxxxxxx>
> Tested-by: Martin Hauke <mardnh@xxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Fixes: e7181d005e84 ("USB: qcserial: Add support for HP lt4112 LTE/HSPA+ Gobi 4G Modem")
> Signed-off-by: Bjørn Mork <bjorn@xxxxxxx>
Now applied, thanks.
Johan
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