netdev - Re: [PATCH v2 1/2] net: usb: qmi_wwan: support ZTE P685M modem

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Date:   Sat, 06 Feb 2021 15:19:53 +0100
From:   Bjørn Mork <bjorn@...k.no>
To:     Lech Perczak <lech.perczak@...il.com>
Cc:     linux-usb@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v2 1/2] net: usb: qmi_wwan: support ZTE P685M modem

Lech Perczak <lech.perczak@...il.com> writes:

> The modem is used inside ZTE MF283+ router and carriers identify it as
> such.
> Interface mapping is:
> 0: QCDM, 1: AT (PCUI), 2: AT (Modem), 3: QMI, 4: ADB
>
> T:  Bus=02 Lev=02 Prnt=02 Port=05 Cnt=01 Dev#=  3 Spd=480  MxCh= 0
> D:  Ver= 2.01 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
> P:  Vendor=19d2 ProdID=1275 Rev=f0.00
> S:  Manufacturer=ZTE,Incorporated
> S:  Product=ZTE Technologies MSM
> S:  SerialNumber=P685M510ZTED0000CP&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&0

This lookes weird.  But I guess that's really the string presented by
this device?

> C:* #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=500mA
> I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff 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=00 Prot=00 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=00 Prot=00 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=ff Driver=qmi_wwan
> E:  Ad=87(I) Atr=03(Int.) MxPS=   8 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#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
> E:  Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>
> Cc: Bjørn Mork <bjorn@...k.no>
> Signed-off-by: Lech Perczak <lech.perczak@...il.com>

Patch looks fine to me.  But I don't think you can submit a net and usb
serial patch in a series. These are two different subsystems.

There's no dependency between the patches so you can just submit
them as standalone patches.  I.e. no series.

Feel free to include

Acked-by: Bjørn Mork <bjorn@...k.no>