linux-kernel - Re: [PATCH v1 2/2] usb: serial: option: Add Fibocom MA510 modem

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Message-ID: <YlPj++z0CdjABnhz@hovoldconsulting.com>
Date:   Mon, 11 Apr 2022 10:16:59 +0200
From:   Johan Hovold <johan@...nel.org>
To:     sven@...nschwermer.de
Cc:     linux-usb@...r.kernel.org,
        Sven Schwermer <sven.schwermer@...ruptive-technologies.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 2/2] usb: serial: option: Add Fibocom MA510 modem

On Thu, Apr 07, 2022 at 09:49:45AM +0200, sven@...nschwermer.de wrote:
> From: Sven Schwermer <sven.schwermer@...ruptive-technologies.com>

My comments on patch 1/2 apply here too.
 
> +GTUSBMODE: 31
> --------------
> T:  Bus=03 Lev=01 Prnt=01 Port=06 Cnt=04 Dev#= 99 Spd=480  MxCh= 0
> D:  Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
> P:  Vendor=2cb7 ProdID=0106 Rev= 0.00
> S:  Manufacturer=Fibocom MA510 Modem
> S:  Product=Fibocom MA510 Modem
> S:  SerialNumber=55e2695b
> C:* #Ifs= 5 Cfg#= 1 Atr=e0 MxPwr=500mA
> A:  FirstIf#= 3 IfCount= 2 Cls=02(comm.) Sub=00 Prot=00
> 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=ff Prot=ff Driver=option
> E:  Ad=82(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
> E:  Ad=83(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=fe Prot=ff Driver=option
> E:  Ad=84(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
> E:  Ad=85(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= 1 Cls=02(comm.) Sub=06 Prot=00 Driver=cdc_ether
> E:  Ad=86(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
> I:  If#= 4 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether
> I:* If#= 4 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether
> E:  Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> 
> +GTUSBMODE: 32
> --------------
> T:  Bus=03 Lev=01 Prnt=01 Port=06 Cnt=04 Dev#=100 Spd=480  MxCh= 0
> D:  Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
> P:  Vendor=2cb7 ProdID=010a Rev= 0.00
> S:  Manufacturer=Fibocom MA510 Modem
> S:  Product=Fibocom MA510 Modem
> S:  SerialNumber=55e2695b
> C:* #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr=500mA
> A:  FirstIf#= 2 IfCount= 2 Cls=02(comm.) Sub=00 Prot=00
> I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
> E:  Ad=81(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
> E:  Ad=82(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=fe Prot=ff Driver=option
> E:  Ad=83(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
> E:  Ad=84(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= 1 Cls=02(comm.) Sub=06 Prot=00 Driver=cdc_ether
> E:  Ad=85(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
> I:  If#= 3 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether
> I:* If#= 3 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether
> E:  Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> 
> Signed-off-by: Sven Schwermer <sven.schwermer@...ruptive-technologies.com>
> ---
>  drivers/usb/serial/option.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
> index 75b62e08b82f..01a12c5d469f 100644
> --- a/drivers/usb/serial/option.c
> +++ b/drivers/usb/serial/option.c
> @@ -2118,6 +2118,10 @@ static const struct usb_device_id option_ids[] = {
>  	  .driver_info = RSVD(4) | RSVD(5) },
>  	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0105, 0xff),			/* Fibocom NL678 series */
>  	  .driver_info = RSVD(6) },
> +	{ USB_DEVICE(0x2cb7, 0x0106),						/* Fibocom MA510 (+GTUSBMODE=31) */
> +	  .driver_info = RSVD(3) | RSVD(4) },
> +	{ USB_DEVICE(0x2cb7, 0x010a),						/* Fibocom MA510 (+GTUSBMODE=32) */
> +	  .driver_info = RSVD(2) | RSVD(3) },

Please use USB_DEVICE_INTERFACE_CLASS() for both entries.

>  	{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0xff, 0x30) },	/* Fibocom FG150 Diag */
>  	{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0, 0) },		/* Fibocom FG150 AT */
>  	{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) },			/* Fibocom NL668-AM/NL652-EU (laptop MBIM) */

Johan