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
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