On Friday 24 July 2009 15:01:19 ext Oliver Neukum wrote: > Am Mittwoch, 22. Juli 2009 11:15:34 schrieb Marcel Holtmann: > > > > The AT stuff is really problematic. Look at the hoops ISDN and > > > > software modem drivers go through to emulate AT commands. I know even > > > > of a CDC-ACM modem which can't deal with AT commands inline (that's > > > > within spec). It seems to me we should have a modem API in kernel. > > > > > > For devices which don't deal in AT commands probably but for devices > > > whose firmware provides an AT command interface over serial I would > > > disagree. > > > > I fully agree here. Even if you think you get AT commands under control, > > you really won't in the end. That standard is so wildly mis-interpreted > > that it is not even funny anymore. > > For these devices we could at least separate the data channel from the > control channel. "These" as in AT devices? You want a line discipline to multiplex AT commands inspite of PPP? I wonder if that'd work. -- Rémi Denis-Courmont Nokia Devices R&D, Maemo Software, Helsinki -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html