linux-kernel - Re: [PATCH] USB: serial: option: add Rolling RW350-GL variants

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Date: Thu, 27 Jun 2024 09:18:59 +0200
From: Johan Hovold <johan@...nel.org>
To: Vanillan Wang <vanillanwang@....com>
Cc: gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] USB: serial: option: add Rolling RW350-GL variants

On Fri, May 31, 2024 at 10:40:12AM +0800, Vanillan Wang wrote:
> Update the USB serial option driver support for the Rolling
> RW350-GL
> - VID:PID 33f8:0802, RW350-GL are laptop M.2 cards (with
> MBIM interfaces for /Linux/Chrome OS)
> 
> Here are the outputs of usb-devices:
> 
> usbmode=63: mbim, pipe
> 
> T:  Bus=02 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#=  2 Spd=5000 MxCh= 0
> D:  Ver= 3.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS= 9 #Cfgs=  1
> P:  Vendor=33f8 ProdID=0802 Rev=00.01
> S:  Manufacturer=Rolling Wireless S.a.r.l.
> S:  Product=USB DATA CARD
> C:  #Ifs= 3 Cfg#= 1 Atr=a0 MxPwr=896mA
> I:  If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
> E:  Ad=82(I) Atr=03(Int.) MxPS=  64 Ivl=32ms
> I:  If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
> E:  Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> I:  If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=83(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> 
> usbmode=64: mbim, others at (If#= 5 adb)

Can you be more specific about the other interface?

> T:  Bus=02 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#=  5 Spd=5000 MxCh= 0
> D:  Ver= 3.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS= 9 #Cfgs=  1
> P:  Vendor=33f8 ProdID=0802 Rev=00.01
> S:  Manufacturer=Rolling Wireless S.a.r.l.
> S:  Product=USB DATA CARD
> C:  #Ifs=10 Cfg#= 1 Atr=a0 MxPwr=896mA
> I:  If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
> E:  Ad=82(I) Atr=03(Int.) MxPS=  64 Ivl=32ms
> I:  If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
> E:  Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> I:  If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=83(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> I:  If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> I:  If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=85(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> I:  If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=usbfs
> E:  Ad=05(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> I:  If#= 6 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=06(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=87(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> I:  If#= 7 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=07(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=88(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> I:  If#= 8 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=08(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=89(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> I:  If#= 9 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E:  Ad=09(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
> E:  Ad=8a(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms

Johan