K5160
Markus Gothe
nietzsche at lysator.liu.se
Tue Mar 1 11:15:32 UTC 2016
Ive added the NDP fixup to the driver to no avail.
I'll do some USB-dumping on Windows. Good news is that it support the huawei embedded AT commands.
//M
Den 1 mar 2016 11:57 skrev Bjørn Mork <bjorn at mork.no>:
>
> Markus Gothe <nietzsche at lysator.liu.se> writes:
>
> > Bjørn, what's the status of this device? Did people get it working with NDP fixes???
>
> No, not as far as I know. You have probably seen this thread, which is
> without success so far:
> http://www.draisberghof.de/usb_modeswitch/bb/viewtopic.php?f=4&t=2485
>
> There are similar (or the same?) issues with the E3372:
> https://bugs.freedesktop.org/show_bug.cgi?id=94340
>
> I don't really know what is going on here. Looks like "NDP to end" is
> not the (only) problem. The symptoms are similar to what we saw when I
> messed up the setup sequence: The modem silently ignores our
> SET_NTB_FORMAT reuquest and continues to operate in 32bit mode. So I am
> wondering if it might be a problem with our setup. Maybe the modem
> doesn't like being told to do 16bit mode while the buffers are > 2^16?
>
> If you have the hardware and can reproduce the problem, then it might be
> worth trying to move the initial buffer setup before the SET_NTB_FORMAT.
> Maybe cdc_ncm_setup(dev) can be moved into cdc_ncm_init(dev)? I don't
> remember why I split it like that... Might have been a good reason.
> Or not.
>
>
> Bjørn
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