linux-kernel - [PATCH] USB: serial: option: add Neoway N723-EA support

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Message-ID: <csxkrj4qclw3yzijwr57zqqd737kk47zpwjvy6t2oxnobmvswp@o5gt4k7vtwql>
Date: Tue, 7 Jan 2025 17:08:29 +0100
From: Michal Hrusecky <michal.hrusecky@...ris.com>
To: Johan Hovold <johan@...nel.org>
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] USB: serial: option: add Neoway N723-EA support

Update the USB serial option driver to support Neoway N723-EA.

ID 2949:8700 Marvell Mobile Composite Device Bus

T:  Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=480  MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=2949 ProdID=8700 Rev= 1.00
S:  Manufacturer=Marvell
S:  Product=Mobile Composite Device Bus
S:  SerialNumber=200806006809080000
C:* #Ifs= 5 Cfg#= 1 Atr=c0 MxPwr=500mA
A:  FirstIf#= 0 IfCount= 2 Cls=e0(wlcon) Sub=01 Prot=03
I:* If#= 0 Alt= 0 #EPs= 1 Cls=e0(wlcon) Sub=01 Prot=03 Driver=rndis_host
E:  Ad=87(I) Atr=03(Int.) MxPS=  64 Ivl=4096ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=rndis_host
E:  Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=0c(O) 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=89(I) Atr=03(Int.) MxPS=  64 Ivl=4096ms
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=0b(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E:  Ad=86(I) Atr=03(Int.) MxPS=  64 Ivl=4096ms
E:  Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=0e(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 6 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E:  Ad=88(I) Atr=03(Int.) MxPS=  64 Ivl=4096ms
E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=0a(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms

Tested successfully connecting to the Internet via rndis interface after
dialing via AT commands on If#=4 or If#=6.

Not sure of the purpose of the other serial interface.

Signed-off-by: Michal Hrusecky <michal.hrusecky@...ris.com>
---
 drivers/usb/serial/option.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 64317b390d22..758f02f0d2b9 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -2412,6 +2412,7 @@ static const struct usb_device_id option_ids[] = {
 	  .driver_info = NCTRL(1) },
 	{ USB_DEVICE_INTERFACE_CLASS(0x1bbb, 0x0640, 0xff),			/* TCL IK512 ECM */
 	  .driver_info = NCTRL(3) },
+	{ USB_DEVICE(0x2949, 0x8700) },						/* Neoway N723-EA */
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
-- 
2.47.1