From: Johan Hovold <johan@kernel.org>
To: Ulrich Mohr <u.mohr@semex-engcon.com>
Cc: linux-usb@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] USB: serial: option: add Telit LE910 MBIM composition
Date: Tue, 13 Jan 2026 11:59:07 +0100 [thread overview]
Message-ID: <aWYle9bpMAXZwzhZ@hovoldconsulting.com> (raw)
In-Reply-To: <20251209200841.21207-1-u.mohr@semex-engcon.com>
On Tue, Dec 09, 2025 at 09:08:41PM +0100, Ulrich Mohr wrote:
> Add support for Telit LE910 module when operating in MBIM composition
> with additional ttys. This usb product ID is used by the module
> when AT#USBCFG is set to 7.
>
> 0x1252: MBIM + tty(NMEA) + tty(MODM) + tty(MODEM) +SAP
> T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=480 MxCh= 0
> D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
> P: Vendor=1bc7 ProdID=1252 Rev=03.18
> S: Manufacturer=Android
> S: Product=LE910C1-EU
> S: SerialNumber=0123456789ABCDEF
> C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA
> 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= 512 Ivl=0ms
> E: Ad=81(I) 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=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=84(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
With this patch the driver would bind to this port as well so I edited
the usb-devices output here to match as I assume that is the intention.
> E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=86(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> I: If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=88(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> I: If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
> E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=8a(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
>
> Signed-off-by: Ulrich Mohr <u.mohr@semex-engcon.com>
> ---
> Changes in v2: Omit define for PID, use PID (0x1252) directly
> + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1252, 0xff) }, /* Telit LE910Cx (MBIM) */
Now applied, thanks.
Johan
prev parent reply other threads:[~2026-01-13 10:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-09 20:08 Ulrich Mohr
2026-01-13 10:59 ` Johan Hovold [this message]
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