On Wed, Jun 21, 2023 at 10:47:30AM +0200, Davide Tronchin wrote: > > Can you please also include the output of usb-devices for these > > configurations? > > The first 4 interfaces of all the 3 configurations (default, RMNET, ECM) > are the same. > Here below you can find debug/usb/devices file of the LARA-R6 01B module > in all the USB configurations. Thanks, can you include this in the commit message for v2 as well? > ECM: > T: Bus=01 Lev=02 Prnt=02 Port=02 Cnt=02 Dev#= 9 Spd=480 MxCh= 0 > D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 > P: Vendor=1546 ProdID=1313 Rev= 0.00 > S: Manufacturer=u-blox > S: Product=u-blox Modem > S: SerialNumber=1478200b > C:* #Ifs= 6 Cfg#= 1 Atr=e0 MxPwr=500mA > A: FirstIf#= 4 IfCount= 2 Cls=02(comm.) Sub=00 Prot=00 > I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option > E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms > E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms > I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option > E: Ad=82(I) Atr=03(Int.) MxPS= 64 Ivl=2ms > E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms > E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms > I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option > E: Ad=84(I) Atr=03(Int.) MxPS= 64 Ivl=2ms > E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms > E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms > I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option > E: Ad=86(I) Atr=03(Int.) MxPS= 64 Ivl=2ms > E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms > E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms > I:* If#= 4 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=06 Prot=00 Driver=cdc_ether > E: Ad=88(I) Atr=03(Int.) MxPS= 64 Ivl=2ms > I: If#= 5 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether > I:* If#= 5 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether > E: Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms > E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms > > I see that we used RSVD() also for the CDC interface for LARA-L6, but > > shouldn't it be possible to use a more exact match instead? The > > usb-devices output should tell. > > Probably USB_DEVICE_AND_INTERFACE_INFO would not match LARA-R6 01B > serial composition since R6 01B has: > - Diagnostic > Cls=ff(vend.) Sub=ff Prot=30 > - all the other serial interfaces > Cls=ff(vend.) Sub=ff Prot=ff > Could you kindly offer any recommendations? > Maybe USB_DEVICE_INTERFACE_CLASS ca be used instead of > USB_DEVICE_AND_INTERFACE_INFO. Right, I had USB_DEVICE_INTERFACE_CLASS() in mind for the ECM configuration. That should avoid the need for RSVD(). Johan
