MC/EM7455

[Dan Williams]

On Sat, 2017-10-07 at 14:08 +0200, Bjørn Mork wrote:
> Thomas Schäfer <tschaefer at t-online.de> writes:
> 
> > Hi,
> > 
> > SWI9X30C_02.08.02.00 r5428 CARMD-EV-FRMWR2 2016/01/06 20:38:53
> > 
> > defaults to qmi and some problems with two devices, raw-ip mode and
> > other things. 
> > But it in the end it did work on my device.
> > 
> > T:  Bus=01 Lev=01 Prnt=01 Port=03 Cnt=02 Dev#=  5 Spd=480 MxCh= 0
> > D:  Ver= 2.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
> > P:  Vendor=1199 ProdID=9071 Rev=00.06
> > S:  Manufacturer=Sierra Wireless, Incorporated
> > S:  Product=Sierra Wireless MC7455 Qualcomm® Snapdragon™ X7 LTE-A
> > S:  SerialNumber=LQ71654052021020
> > C:  #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=500mA
> > I:  If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff
> > Driver=qcserial
> > I:  If#=10 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff
> > Driver=qmi_wwan
> > I:  If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00
> > Driver=qcserial
> > I:  If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00
> > Driver=qcserial
> > I:  If#= 8 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff
> > Driver=qmi_wwan
> > 
> > 
> > 
> > SWI9X30C_02.24.05.06 
> > 
> > https://source.sierrawireless.com/
> > 
> > defaults to mbim on my machine and works perfectly from the first
> > second. (also ipv4/ipv6)
> > 
> > T:  Bus=01 Lev=01 Prnt=01 Port=03 Cnt=02 Dev#=  4 Spd=480 MxCh= 0
> > D:  Ver= 2.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
> > P:  Vendor=1199 ProdID=9071 Rev=00.06
> > S:  Manufacturer=Sierra Wireless, Incorporated
> > S:  Product=Sierra Wireless MC7455 Qualcomm® Snapdragon™ X7 LTE-A
> > S:  SerialNumber=LQ71654052021020
> > C:  #Ifs= 2 Cfg#= 1 Atr=a0 MxPwr=500mA
> > I:  If#=12 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00
> > Driver=cdc_mbim
> > I:  If#=13 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02
> > Driver=cdc_mbim
> > 
> > So I would recommend to give the firmware update a chance.
> 
> 
> Did the USB composition really change with the firmware
> upgrade?  That's
> unexpected.  I have never seen that happen before.  Sure you didn't
> run
> anything else (like Windows) which could change this setting without
> asking?

Not unheard of.  The Pantech UML290 (QMI-based Verizon LTE USB dongle)
had a firmware update that changed the USB interface subclass at one
point.  Which required a driver change.  Thanks Pantech!

Dan

> 
> 
> Bjørn
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