On Mon, Jan 25, 2016 at 12:27:17PM +0000, John Ernberg wrote: > From: John Ernberg <john.ernberg@xxxxxxxx> > > In certain kernel configurations where the cdc_ether and option drivers > are compiled as modules there can occur a race condition in enumeration. > This causes the option driver to enumerate the ethernet(wwan) interface > as usb-serial interfaces. > > usb-devices output for the modem: > T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 5 Spd=480 MxCh= 0 > D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 > P: Vendor=1e2d ProdID=0055 Rev=00.00 > S: Manufacturer=Cinterion > S: Product=AHx > C: #Ifs= 6 Cfg#= 1 Atr=e0 MxPwr=10mA > I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option > I: If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option > I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option > I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option > I: If#= 4 Alt= 0 #EPs= 1 Cls=02(commc) Sub=06 Prot=00 Driver=cdc_ether > I: If#= 5 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether > > Signed-off-by: John Ernberg <john.ernberg@xxxxxxxx> Now applied, thanks. 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