Re: [MM 0.6] Allowing plugins to specify that only one AT port is expected

[Aleksander Morgado <aleksander lanedo com>]

>> The '06-api' branch has a new property
>> (MM_PLUGIN_BASE_ALLOWED_SINGLE_AT) for MMPluginBase, which allows
>> specifying that only one AT port is expected in the modem [1]. If this
>> property is set, whenever the first AT port is grabbed, all the
>> remaining port probings will cancel their AT-specific probing steps,
>> which improves a lot the overall time needed to finish device probing.
>> Of course, this property is only meaningful if the device exports
>> multiple ports where only one of them is AT. For single-port devices
>> (e.g. Cinterion) there is no improvement.
>>
>> During my tests, I enabled the property for my Gobi 2000 and my Nokia C7
>> devices (which expose several ports, but end up grabbing only one AT
>> port here), and it works pretty well.
>>
>> Now, the question is; should I enable this for every Gobi and Nokia
>> device? Are there Gobi-based or Nokia devices with more than one AT port
>> out there?
> 
> At this point I don't think so.  What I *don't* know is whether the
> Nokia Internet Sticks (CS-1x) expose two AT ports or not.  But at the
> moment I'd guess most Nokia phones only expose one, and anything else
> happens over PhoNet.
> 

Nokia is probably a good candidate then.

>> Also, is there any other plugin which could benefit from this probing
>> improvement?
> 
> Most of the CDMA plugins *except* for Huawei; there are quite a few
> Huawei CDMA devices that have two AT capable ports.  So I think you can
> add it to sierra-cdma, novatel-cdma, and the generic-cdma plugin, I
> think.
> 

:-(

This is for 06-api, and there we don't know if the modem is CDMA until
after probing, so cannot base this probing behaviour on that.

-- 
Aleksander