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689f2facc6
linux/drivers/usb
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Wanquan Zhong 689f2facc6 USB: serial: option: add missing RSVD(5) flag for Rolling RW135R-GL 
The RW135R-GL entry added in commit 01e8d0f742 ("USB: serial: option:
add support for Rolling Wireless RW135R-GL") was missing the
.driver_info = RSVD(5) flag used by other Rolling Wireless MBIM laptop
modules (e.g. RW135-GL and RW350-GL).

Without this flag, the option driver incorrectly binds to the reserved
ADB interface (If#5) in multi-interface USB modes, causing AT/MBIM
communication failures after mode switching. This matches the handling
of other Rolling Wireless MBIM devices.

- VID:PID 33f8:1003, RW135R-GL for laptop debug M.2 cards (with MBIM
  interface for Linux/Chrome OS)

  0x1003: mbim, diag, AT, pipe

  Here are the outputs of usb-devices:

T:  Bus=03 Lev=01 Prnt=01 Port=04 Cnt=02 Dev#=  8 Spd=480  MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=33f8 ProdID=1003 Rev= 5.15
S:  Manufacturer=Rolling Wireless S.a.r.l.
S:  Product=Rolling RW135R-GL Module
S:  SerialNumber=12345678
C:* #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=500mA
A:  FirstIf#= 0 IfCount= 2 Cls=02(comm.) Sub=0e Prot=00
I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=0e Prot=00 Driver=cdc_mbim
E:  Ad=82(I) Atr=03(Int.) MxPS=  64 Ivl=32ms
I:  If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
I:* If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E:  Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E:  Ad=86(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
E:  Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms

- VID:PID 33f8:1003, RW135R-GL for laptop debug M.2 cards (with MBIM
  interface for Linux/Chrome OS)

  0x1003: mbim, diag, AT, ADB, pipe

  Here are the outputs of usb-devices:

T:  Bus=03 Lev=01 Prnt=01 Port=04 Cnt=02 Dev#=  7 Spd=480  MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=33f8 ProdID=1003 Rev= 5.15
S:  Manufacturer=Rolling Wireless S.a.r.l.
S:  Product=Rolling RW135R-GL Module
S:  SerialNumber=12345678
C:* #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA
A:  FirstIf#= 0 IfCount= 2 Cls=02(comm.) Sub=0e Prot=00
I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=0e Prot=00 Driver=cdc_mbim
E:  Ad=82(I) Atr=03(Int.) MxPS=  64 Ivl=32ms
I:  If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
I:* If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E:  Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
E:  Ad=86(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
E:  Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
E:  Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

- VID:PID 33f8:1003, RW135R-GL for laptop debug M.2 cards (with MBIM
  interface for Linux/Chrome OS)

  0x1003: mbim, pipe

  Here are the outputs of usb-devices:

T:  Bus=03 Lev=01 Prnt=01 Port=04 Cnt=02 Dev#=  9 Spd=480  MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=33f8 ProdID=1003 Rev= 5.15
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=500mA
A:  FirstIf#= 0 IfCount= 2 Cls=02(comm.) Sub=0e Prot=00
I:* If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=0e Prot=00 Driver=cdc_mbim
E:  Ad=82(I) Atr=03(Int.) MxPS=  64 Ivl=32ms
I:  If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
I:* If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E:  Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms

Fixes: 01e8d0f742 ("USB: serial: option: add support for Rolling Wireless RW135R-GL")
Signed-off-by: Wanquan Zhong <wanquan.zhong@fibocom.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
2026-05-21 09:53:59 +02:00
..
atm Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
c67x00 Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
cdns3 Revert "usb: cdns3: Add USBSSP platform driver support" 2026-04-03 14:05:13 +02:00
chipidea usb: chipidea: otg: not wait vbus drop if use role_switch 2026-04-07 13:46:54 +02:00
class usb: usblp: fix uninitialized heap leak via LPGETSTATUS ioctl 2026-04-27 10:00:18 -06:00
common usb: ulpi: fix memory leak on ulpi_register() error paths 2026-04-27 09:49:43 -06:00
core USB: of: Simplify with scoped for each OF child loop 2026-04-07 13:49:48 +02:00
dwc2 usb: dwc2: gadget: Fix spin_lock/unlock mismatch in dwc2_hsotg_udc_stop() 2026-03-30 17:05:07 +02:00
dwc3 usb: dwc3: Move GUID programming after PHY initialization 2026-04-27 09:57:26 -06:00
early usb: early: xhci-dbc: Fix early_ioremap leak 2025-07-07 11:04:46 +02:00
fotg210 Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
gadget USB: omap_udc: DMA: Don't enable burst 4 mode 2026-04-27 09:49:28 -06:00
host drivers/usb/host: Fix spelling error 'seperate' -> 'separate' 2026-04-11 12:02:11 +02:00
image Merge 7.0-rc4 into usb-next 2026-03-16 11:50:48 +01:00
isp1760 Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
misc Linux 7.0-rc7 2026-04-06 09:06:39 +02:00
mon Convert more 'alloc_obj' cases to default GFP_KERNEL arguments 2026-02-21 20:03:00 -08:00
mtu3 Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
musb usb: musb: Use safer strscpy() instead of strcpy() 2026-03-11 15:39:04 +01:00
phy Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
renesas_usbhs usb: renesas_usbhs: use kzalloc_flex 2026-03-18 15:51:48 +01:00
roles usb: roles: get usb role switch from parent only for usb-b-connector 2026-03-11 16:22:22 +01:00
serial USB: serial: option: add missing RSVD(5) flag for Rolling RW135R-GL 2026-05-21 09:53:59 +02:00
storage usb: storage: Expand range of matched versions for VL817 quirks entry 2026-04-07 13:47:23 +02:00
typec usb: typec: tcpm: fix debug accessory mode detection for sink ports 2026-04-27 09:56:28 -06:00
usbip usbip: validate number_of_packets in usbip_pack_ret_submit() 2026-04-07 13:48:44 +02:00
Kconfig usb: pci-quirks: handle HAS_IOPORT dependency for AMD quirk 2023-10-02 16:19:12 +02:00
Makefile usb: isp1362-hcd: remove Philips ISP1362 USB OTG controller driver 2026-01-07 16:13:19 +01:00
usb-skeleton.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00