Re: Configure a connection for a gsm with dynamic ttyACMx

[Dan Williams <dcbw redhat com>]

On Thu, 2015-05-28 at 22:28 +0200, Jean-Christian de Rivaz wrote:
> Le 28. 05. 15 21:55, Dan Williams a écrit :
> > On Thu, 2015-05-28 at 19:39 +0200, Jean-Christian de Rivaz wrote:
> > > Le 26. 05. 15 19:24, Dan Williams a écrit :
> > > > On Tue, 2015-05-26 at 19:04 +0200, Jean-Christian de Rivaz wrote:
> > > > > Le 26. 05. 15 18:21, Dan Williams a écrit :
> > > > > This is an alternative of the ENV(ID_MM_DEVICE_TAG_NAME) trick to get
> > > > > the tag name. The fact that the name on D-Bus should be allowed to be
> > > > > different from the dynamic tty is the main part that you also agree
> > > > > on if I understand you correctly.
> > > > Yes, I would prefer to do this without more tags, but using the normal
> > > > symlink scheme that udev already supports well.  This also makes it
> > > > non-ModemManager-specific since symlinks are often used for other
> > > > programs as well.
> > > Same question as in the ModemManager malling list:
> > >
> > > Just for curiosity, how did you plan to find the symbolic link that point to
> > > the real ttyACMx ?
> > g_udev_device_get_device_file_symlinks ()
>
> Good catch, but in the ModemManager I explain why this will not solve 
> the problem for modem that expose multiple serial devices.

Well, it would solve the problem, but it would mean writing udev rules
that tag a particular modem port, and tagging control ports in MM like
is done for other modems.

Dan