On Tue, Jan 16, 2018 at 12:12:33AM +0100, Max Schulze wrote: > > > This indicates that option isn't the right driver for this for device. > > > > I think we should add a new simple driver for it instead, which reports > > that modem control isn't (yet) supported (yes, your python script would > > need to be updated). This can be extended into a "real" driver, should > > we learn more about the protocol used. > > Thank you. Tested with miniterm.py - it doesn't need any changes because > no erroneous URB's are sent. That's good. In your initial mail you mentioned that it was doing a TIOCMBIS that was failing with the generic driver (which is essentially the same thing as a "simple" driver). > [ 172.249297] usb_serial_simple 1-1.4:1.0: motorola_tetra converter > detected > [ 172.249403] usb 1-1.4: motorola_tetra converter now attached to ttyUSB0 > [ 172.249502] usb_serial_simple 1-1.4:1.1: motorola_tetra converter > detected > [ 172.249578] usb 1-1.4: motorola_tetra converter now attached to ttyUSB1 > > > >From a7ab87acf85b67303e7bf606734176a365aae9cd Mon Sep 17 00:00:00 2001 > > From: Johan Hovold <johan@xxxxxxxxxx> > > Date: Fri, 12 Jan 2018 17:53:35 +0100 > > Subject: [PATCH] USB: serial: simple: add Motorola Tetra driver > > > > Add new Motorola Tetra (simple) driver for Motorola Solutions TETRA PEI > > devices. > > > > D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 > > P: Vendor=0cad ProdID=9011 Rev=24.16 > > S: Manufacturer=Motorola Solutions Inc. > > S: Product=Motorola Solutions TETRA PEI interface > > C: #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=500mA > > I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) > > I: If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) > > > > Note that these devices do not support the CDC SET_CONTROL_LINE_STATE > > request (for any interface). > > > > Reported-by: Max Schulze <max.schulze@xxxxxxxxx> > > Cc: stable <stable@xxxxxxxxxxxxxxx> > > Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> > Works as-is. Tested in miniterm.py and minicom. > > Tested-by: Max Schulze <max.schulze@xxxxxxxxx> Thanks for testing! Johan -- 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