linux-kernel - Re: [PATCH v3] USB: serial: option: add id for Motorola Solutions TETRA PEI

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Message-ID: <1405adb5-8e74-b02a-bf75-cf83bf6b3c91@posteo.de>
Date:   Tue, 16 Jan 2018 00:12:33 +0100
From:   Max Schulze <max.schulze@...teo.de>
To:     Johan Hovold <johan@...nel.org>
Cc:     gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] USB: serial: option: add id for Motorola Solutions
 TETRA PEI


> This indicates that option isn't the right driver for this for device.
>
> I think we should add a new simple driver for it instead, which reports
> that modem control isn't (yet) supported (yes, your python script would
> need to be updated). This can be extended into a "real" driver, should
> we learn more about the protocol used.

Thank you. Tested with miniterm.py - it doesn't need any changes because
no erroneous URB's are sent.

[  172.249297] usb_serial_simple 1-1.4:1.0: motorola_tetra converter
detected
[  172.249403] usb 1-1.4: motorola_tetra converter now attached to ttyUSB0
[  172.249502] usb_serial_simple 1-1.4:1.1: motorola_tetra converter
detected
[  172.249578] usb 1-1.4: motorola_tetra converter now attached to ttyUSB1

> >From a7ab87acf85b67303e7bf606734176a365aae9cd Mon Sep 17 00:00:00 2001
> From: Johan Hovold <johan@...nel.org>
> Date: Fri, 12 Jan 2018 17:53:35 +0100
> Subject: [PATCH] USB: serial: simple: add Motorola Tetra driver
>
> Add new Motorola Tetra (simple) driver for Motorola Solutions TETRA PEI
> devices.
>
> D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
> P:  Vendor=0cad ProdID=9011 Rev=24.16
> S:  Manufacturer=Motorola Solutions Inc.
> S:  Product=Motorola Solutions TETRA PEI interface
> C:  #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=500mA
> I:  If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
> I:  If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
>
> Note that these devices do not support the CDC SET_CONTROL_LINE_STATE
> request (for any interface).
>
> Reported-by: Max Schulze <max.schulze@...teo.de>
> Cc: stable <stable@...r.kernel.org>
> Signed-off-by: Johan Hovold <johan@...nel.org>
> ---
>  drivers/usb/serial/Kconfig             | 1 +
>  drivers/usb/serial/usb-serial-simple.c | 7 +++++++
>  2 files changed, 8 insertions(+)
>
> diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
> index a8d5f2e4878d..c66b93664d54 100644
> --- a/drivers/usb/serial/Kconfig
> +++ b/drivers/usb/serial/Kconfig
> @@ -63,6 +63,7 @@ config USB_SERIAL_SIMPLE
>  		- Google USB serial devices
>  		- HP4x calculators
>  		- a number of Motorola phones
> +		- Motorola Tetra devices
>  		- Novatel Wireless GPS receivers
>  		- Siemens USB/MPI adapter.
>  		- ViVOtech ViVOpay USB device.
> diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c
> index 74172fe158df..4ef79e29cb26 100644
> --- a/drivers/usb/serial/usb-serial-simple.c
> +++ b/drivers/usb/serial/usb-serial-simple.c
> @@ -77,6 +77,11 @@ DEVICE(vivopay, VIVOPAY_IDS);
>  	{ USB_DEVICE(0x22b8, 0x2c64) }	/* Motorola V950 phone */
>  DEVICE(moto_modem, MOTO_IDS);
>  
> +/* Motorola Tetra driver */
> +#define MOTOROLA_TETRA_IDS()			\
> +	{ USB_DEVICE(0x0cad, 0x9011) }	/* Motorola Solutions TETRA PEI */
> +DEVICE(motorola_tetra, MOTOROLA_TETRA_IDS);
> +
>  /* Novatel Wireless GPS driver */
>  #define NOVATEL_IDS()			\
>  	{ USB_DEVICE(0x09d7, 0x0100) }	/* NovAtel FlexPack GPS */
> @@ -107,6 +112,7 @@ static struct usb_serial_driver * const serial_drivers[] = {
>  	&google_device,
>  	&vivopay_device,
>  	&moto_modem_device,
> +	&motorola_tetra_device,
>  	&novatel_gps_device,
>  	&hp4x_device,
>  	&suunto_device,
> @@ -122,6 +128,7 @@ static const struct usb_device_id id_table[] = {
>  	GOOGLE_IDS(),
>  	VIVOPAY_IDS(),
>  	MOTO_IDS(),
> +	MOTOROLA_TETRA_IDS(),
>  	NOVATEL_IDS(),
>  	HP4X_IDS(),
>  	SUUNTO_IDS(),
> --
> 2.15.1
>
> --

Works as-is. Tested in miniterm.py and minicom.

Tested-by: Max Schulze <max.schulze@...teo.de>