Sierra Wireless EM7455

[Bjørn Mork]

Aleksander Morgado <aleksander at aleksander.es> writes:

> On Thu, Jun 9, 2016 at 11:53 AM, Bjørn Mork <bjorn at mork.no> wrote:
>>> What do you guys think, should we unconditionally try to send the FCC
>>> auth via QMI over MBIM in the generic MBIM implementation? E.g. during
>>> the power-up sequence.
>>
>> My memory lasts exactly this far: .
>>
>> Did we test the behaviour of non-Sierra modems supporting the QMI MBIM
>> service?  If they quickly respond with an error on the unsupported QMI
>> request, then I guess unconditional is fine.
>>
>> 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


Bjørn