[PATCH 5.15 454/570] USB: serial: option: add support for Rolling Wireless RW135R-GL

Greg Kroah-Hartman
2026-04-13T16:37:34Z

From: Wanquan Zhong <wanquan.zhong@fibocom.com>

commit 01e8d0f742222f1e68f48180d5480097adf7ae9f upstream.

Add VID/PID 33f8:1003 for the Rolling Wireless RW135R-GL M.2 module,
which is used in laptop debug cards with MBIM interface for
Linux/Chrome OS. The device supports mbim, pipe functionalities.

Here are the outputs of usb-devices:
T: Bus=04 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 2 Spd=5000 MxCh= 0
D: Ver= 3.20 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
P: Vendor=33f8 ProdID=1003 Rev=05.15
S: Manufacturer=Rolling Wireless S.a.r.l.
S: Product=Rolling RW135R-GL Module
S: SerialNumber=12345678
C: #Ifs= 3 Cfg#= 1 Atr=a0 MxPwr=896mA
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=1024 Ivl=0ms
E: Ad=8e(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=40 Driver=option
E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms

Signed-off-by: Wanquan Zhong <wanquan.zhong@fibocom.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/serial/option.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -2464,6 +2464,7 @@ static const struct usb_device_id option
{ USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x0302, 0xff) }, /* Rolling RW101R-GL (laptop MBIM) */
{ USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x0802, 0xff), /* Rolling RW350-GL (laptop MBIM) */
.driver_info = RSVD(5) },
+ { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x1003, 0xff) }, /* Rolling RW135R-GL (laptop MBIM) */
{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0100, 0xff, 0xff, 0x30) }, /* NetPrisma LCUK54-WWD for Global */
{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0100, 0xff, 0x00, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0100, 0xff, 0xff, 0x40) },