Re: Sierra using QMI with linux-3.18.5 and oFono-1.16 possible?

[Mylene JOSSERAND <mylene.josserand@openwide.fr>]

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Hi Dirk,


On 04/10/2015 10:04 AM, Meul, Dirk wrote:
> Hi list,
>
> I'm trying to use a Sierra MC7304 datacard in QMI mode with oFono-1.16 running on ARM with linux-3.18.5 kernel.
>
> 1) Without modifications the MC7304 uses qmi-wwan and option drivers and is not recognized by oFono
> 2) After adding the product ID to the sierra module the datacard is recognized and useable, but not in QMI mode
> 3) With different product ID qmi-wwan and qcserial drivers are used but still not recognizes by oFono
> 4) Patched oFono-1.16 following "improving QMI support on recent kernels" patch set from February 2013 by Bjørn Mork, no working interface, neither with patched sierra nor with qmi-wwan/qcserial
>
> As the QMI interface /dev/cdc-wdmX now is in usbmisc interface and the patch set <https://lists.ofono.org/pipermail/ofono/2013-February/014240.html> wasn't merged I wonder if somebody is able to use QMI mode with recent kernels.
>
> So my question: is it possible to use the QMI mode on recent kernel with current oFono? Are there other patches needed I didn't found?

I am currently running Ofono (1.15) on a recent kernel (3.10.17).
I am using QMI mode, on another modem than Sierra, and it works well.

I have applied the patch series of Bjorn too but, for me, one line was missing.
It is in the plugins/udevng::check_device function.
I have added the usbmisc bus to check new devices. Sorry, I do not have time to send you a patch so try to edit this line :
if (g_str_equal(bus, "usb") == TRUE)
by this one :
if (g_str_equal(bus, "usb") == TRUE || g_str_equal(bus, "usbmisc"))

It will allow to check usb devices on usb _and_ usbmisc buses.

As Bjorn's patches was not applied (I do not know why), I did push back this modification.
At least, I should have sent it on this list.. Sorry, I did not have time and then, I forgot it ! :(


Hope this help,

Best regards,


Mylène JOSSERAND