linux-kernel - Re: [PATCH] Update the USB serial option driver support for the Rolling RW101R-GL LTE modules. - VID:PID 33f8:0301, RW101R-GL for laptop debug M.2 cards(with MBIM interface for /Linux/Chrome OS) 0x0301: mbim, pipe Here are the outputs of usb-devices: T: Bus=04 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 2 Spd=5000 MxCh= 0 D: Ver= 3.20 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1 P: Vendor=33f8 ProdID=0301 Rev=05.04 S: Manufacturer=Rolling Wireless S.a.r.l. S: Product=Rolling RW101R-GL Module S: SerialNumber=3ec4efdf 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=81(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=0f(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=8e(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=40 Driver=option E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=82(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms

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Message-ID: <2025092838-abroad-recycler-cb66@gregkh>
Date: Sun, 28 Sep 2025 10:10:03 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Vanillan Wang <vanillanwang@....com>
Cc: johan@...nel.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Update the USB serial option driver support for the
 Rolling RW101R-GL LTE modules. - VID:PID 33f8:0301, RW101R-GL for laptop
 debug M.2 cards(with MBIM interface for /Linux/Chrome OS) 0x0301: mbim, pipe
 Here are the outputs of usb-devices: T:  Bus=04 Lev=01 Prnt=01 Port=02
 Cnt=01 Dev#=  2 Spd=5000 MxCh= 0 D:  Ver= 3.20 Cls=00(>ifc ) Sub=00 Prot=00
 MxPS= 9 #Cfgs=  1 P:  Vendor=33f8 ProdID=0301 Rev=05.04 S:
 Manufacturer=Rolling Wireless S.a.r.l. S:  Product=Rolling RW101R-GL Module
 S:  SerialNumber=3ec4efdf 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=81(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=0f(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
 E:  Ad=8e(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms I:  If#= 2 Alt= 0 #EPs= 3
 Cls=ff(vend.) Sub=00 Prot=40 Driver=option E:  Ad=01(O) Atr=02(Bulk)
 MxPS=1024 Ivl=0ms E:  Ad=82(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms E:  Ad=83(I)
 Atr=03(Int.) MxPS=  10 Ivl=32ms

On Sun, Sep 28, 2025 at 04:02:19PM +0800, Vanillan Wang wrote:
> - VID:PID 33f8:01a8, RW101R-GL for laptop debug M.2 cards(with MBIM

<snip>

You might want to resend, the subject line needs to only be one line
long :)

thanks,

greg k-h