linux-kernel - 回复: [PATCH] USB: serial: option: add Quectel EM060K modem

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Date:   Sat, 30 Jul 2022 07:32:47 +0000
From:   谭 永林 <yonglin.tan@...look.com>
To:     Johan Hovold <johan@...nel.org>
CC:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: 回复: [PATCH] USB: serial: option: add Quectel EM060K modem

Dear Johan,

The last interface is used for Qualcomm WWAN module's QDSS(Qualcomm Debug Sub-System) port. Users use the QDSS interface to acquire Modem subsystem log. It is used to work with DIAG port. Therefore, we don't have to bind this interface with any driver.


-----邮件原件-----
发件人: Johan Hovold <johan@...nel.org> 
发送时间: 2022年7月24日 16:41
收件人: Yonglin Tan <yonglin.tan@...look.com>
抄送: gregkh@...uxfoundation.org; linux-usb@...r.kernel.org; linux-kernel@...r.kernel.org
主题: Re: [PATCH] USB: serial: option: add Quectel EM060K modem

On Tue, Jul 19, 2022 at 07:28:00PM +0800, Yonglin Tan wrote:
> Add usb product id entry for the Quectel EM060K module.
> 
> "MBIM mode": DIAG + NMEA + AT + MODEM + MBIM
> 
> T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  8 Spd=480  MxCh= 0
> D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
> P:  Vendor=2c7c ProdID=030b Rev= 5.04
> S:  Manufacturer=Quectel
> S:  Product=EM060K-GL
> S:  SerialNumber=89fb57db
> C:* #Ifs= 7 Cfg#= 1 Atr=a0 MxPwr=500mA
> A:  FirstIf#= 8 IfCount= 2 Cls=02(comm.) Sub=0e Prot=00
> I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
> E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=40 Driver=option
> E:  Ad=83(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
> E:  Ad=82(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=40 Driver=option
> E:  Ad=85(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
> E:  Ad=84(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=40 Driver=option
> E:  Ad=87(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
> E:  Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 8 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=0e Prot=00 Driver=cdc_mbim
> E:  Ad=88(I) Atr=03(Int.) MxPS=  64 Ivl=32ms
> I:  If#= 9 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
> I:* If#= 9 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
> E:  Ad=8e(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=0f(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#=12 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=70 Driver=(none)
> E:  Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

What's this last interface used for?

Johan