Re: N900 modem support in 3.18-rc1

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On Wed 2014-11-05 02:11:22, Sebastian Reichel wrote:
> Hi Pavel,
> 
> On Tue, Nov 04, 2014 at 09:51:17PM +0100, Pavel Machek wrote:
> > I'd like to test a modem (and eventually to get it to work :-) ) on
> > n900. So far I found:
> > 
> > http://lwn.net/Articles/592485/
> > 
> > It says:
> > 
> > # supported. Testing the patchset with ofono works like this:
> > # 
> > #  # provide cmt device for ofono
> > #  ln -sf /sys/bus/hsi/n900-modem /dev/cmt
> > 
> > [...]
> >
> > That seemed to match, so I symlinked it.
> 
> looks ok. You should have the following files:
> 
> /dev/cmt/cmt_apeslpx
> /dev/cmt/cmt_bsi
> /dev/cmt/cmt_en
> /dev/cmt/cmt_rst_rq
> /dev/cmt/cmt_rst

No, it is not ok :-(. I did enable CONFIG_CMT now (it was not enabled
before, and wow, that entry has least helpful config help, ever; is it
related?), but still can't see the required files:

root@n900:/sys# find . | grep cmt
./bus/hsi/devices/cmt_speech
./bus/hsi/drivers/cmt_speech
./bus/hsi/drivers/cmt_speech/bind
./bus/hsi/drivers/cmt_speech/cmt_speech
./bus/hsi/drivers/cmt_speech/uevent
./bus/hsi/drivers/cmt_speech/unbind
./devices/virtual/misc/cmt_speech
./devices/virtual/misc/cmt_speech/dev
./devices/virtual/misc/cmt_speech/power
./devices/virtual/misc/cmt_speech/power/control
./devices/virtual/misc/cmt_speech/power/runtime_active_time
./devices/virtual/misc/cmt_speech/power/autosuspend_delay_ms
./devices/virtual/misc/cmt_speech/power/runtime_status
./devices/virtual/misc/cmt_speech/power/runtime_suspended_time
./devices/virtual/misc/cmt_speech/subsystem
./devices/virtual/misc/cmt_speech/uevent
./devices/68000000.ocp/48058000.ssi-controller/ssi0/port0/cmt_speech
./devices/68000000.ocp/48058000.ssi-controller/ssi0/port0/cmt_speech/power
./devices/68000000.ocp/48058000.ssi-controller/ssi0/port0/cmt_speech/power/control
./devices/68000000.ocp/48058000.ssi-controller/ssi0/port0/cmt_speech/power/runtime_active_time
./devices/68000000.ocp/48058000.ssi-controller/ssi0/port0/cmt_speech/power/autosuspend_delay_ms
./devices/68000000.ocp/48058000.ssi-controller/ssi0/port0/cmt_speech/power/runtime_status
./devices/68000000.ocp/48058000.ssi-controller/ssi0/port0/cmt_speech/power/runtime_suspended_time
./devices/68000000.ocp/48058000.ssi-controller/ssi0/port0/cmt_speech/modalias
./devices/68000000.ocp/48058000.ssi-controller/ssi0/port0/cmt_speech/driver
./devices/68000000.ocp/48058000.ssi-controller/ssi0/port0/cmt_speech/subsystem
./devices/68000000.ocp/48058000.ssi-controller/ssi0/port0/cmt_speech/uevent
./class/misc/cmt_speech
root@n900:/sys# 

(What does CMT mean? I should fix the help files, I guess...)


> > root@n900:~# ofonod --nodetach --debug &
> > [1] 3552
> 
> no output from ofono?

Actually, a lot of output from ofonod, but nothing useful.

> > root@n900:~# mdbus2 -s org.ofono /n900_0 xyz
> > [ERR]: There is no method with name xyz on path /n900_0!
> >
> > [...]
> > 
> > Any ideas?
> 
> call mdbus2 with fewer arguments to see what is available on the
> bus:
> 
> mdbus2 -s                      => list all system services
> mdbus2 -s org.ofono            => list all ofono objects
> mdbus2 -s org.ofono /n900_0    => list all methods from n900 object

root@n900:~# mdbus2 -s org.ofono
/
root@n900:~# 

But since I do not have required cmt_ files, I guess that's expected?


Thanks,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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