Sierra Wireless EM7455

Aleksander Morgado aleksander at
Thu Jun 9 19:28:52 UTC 2016

On Thu, Jun 9, 2016 at 12:24 PM, Bjørn Mork <bjorn at> wrote:
>>> How difficult will it be to restrict this to Sierra modems with QMI
>>> service support?  Or was that the set you meant we should
>>> unconditionally try the command on?  If so, then I say "go!".
>> I tried the QMI MBIM service in my Ericsson MBIM modem and it just
>> kindly replied that it didn't know anything about that service, which
>> is what I would expect from every other vendor.
> Yes, that is what I expect for all the non-Qualcomm ones.  I worry most
> about the other Qualcomm based modems, which may implement the MBIM
> service but not the Sierra-specific QMI request.  That could result in
> e.g. a timeout.
>> When I said unconditionally I meant for every MBIM modem out there,
>> not just Sierra based ones.
> OK

I'll do the change in the MM branch this weekend to always try the
QMI-over-MBIM thing during power on then; I guess that actual test
results will help us decide what to do.


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