From: Johan Hovold <johan@kernel.org>
To: Fabio Porcedda <fabio.porcedda@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, Daniele Palmas <dnlplm@gmail.com>,
stable@vger.kernel.org
Subject: Re: [PATCH v2] USB: serial: option: add Telit Cinterion FN990A MBIM composition
Date: Thu, 2 Apr 2026 11:44:01 +0200 [thread overview]
Message-ID: <ac46YeSJeYVvm0Hn@hovoldconsulting.com> (raw)
In-Reply-To: <20260402083722.100973-1-fabio.porcedda@gmail.com>
On Thu, Apr 02, 2026 at 10:37:22AM +0200, Fabio Porcedda wrote:
> Add the following Telit Cinterion FN990A MBIM composition:
>
> 0x1074: MBIM + tty (AT/NMEA) + tty (AT) + tty (AT) + tty (diag) +
> DPL (Data Packet Logging) + adb
>
> T: Bus=01 Lev=01 Prnt=04 Port=06 Cnt=01 Dev#= 3 Spd=480 MxCh= 0
> D: Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
> P: Vendor=1bc7 ProdID=1074 Rev=05.04
> S: Manufacturer=Telit Wireless Solutions
> S: Product=FN990
> S: SerialNumber=70628d0c
> C: #Ifs= 7 Cfg#= 1 Atr=e0 MxPwr=500mA
> 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= 512 Ivl=0ms
> E: Ad=8e(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=60 Driver=option
> E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
> E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> I: If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
> E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
> I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
> E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I: If#= 6 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=ff Prot=80 Driver=(none)
> E: Ad=8f(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
>
> Cc: stable@vger.kernel.org
> Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
> @@ -1383,6 +1383,8 @@ static const struct usb_device_id option_ids[] = {
> .driver_info = NCTRL(2) | RSVD(3) },
> { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1073, 0xff), /* Telit FN990A (ECM) */
> .driver_info = NCTRL(0) | RSVD(1) },
> + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1074, 0xff), /* Telit FN990A (MBIM) */
> + .driver_info = NCTRL(5) | RSVD(6) | RSVD(7) },
There is no adb interface in the usb-devices output in the commit
message. Do you still need to reserve interface 7?
> { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1075, 0xff), /* Telit FN990A (PCIe) */
> .driver_info = RSVD(0) },
> { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1077, 0xff), /* Telit FN990A (rmnet + audio) */
Johan
next prev parent reply other threads:[~2026-04-02 9:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-02 8:37 [PATCH v2] USB: serial: option: add Telit Cinterion FN990A MBIM composition Fabio Porcedda
2026-04-02 9:44 ` Johan Hovold [this message]
2026-04-02 10:04 ` Fabio Porcedda
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ac46YeSJeYVvm0Hn@hovoldconsulting.com \
--to=johan@kernel.org \
--cc=dnlplm@gmail.com \
--cc=fabio.porcedda@gmail.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-usb@vger.kernel.org \
--cc=stable@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.