Re: [PATCH v5 1/1] USB: serial: option: add missing RSVD(5) flag for Rolling RW135R-GL

[Johan Hovold]

On Wed, May 20, 2026 at 07:32:45PM +0800, zwq2226404116@xxxxxxx wrote:
> From: Wanquan Zhong <wanquan.zhong@xxxxxxxxxxx>
> 
> The RW135R-GL entry added in commit 01e8d0f74222 ("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.

> Fixes: 01e8d0f74222 ("USB: serial: option: add support for Rolling Wireless RW135R-GL")
> Signed-off-by: Wanquan Zhong <wanquan.zhong@xxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> ---
> v4 -> v5: Use 12-char commit id and correct Fixes tag summary; move
> changelog below --- separator; restore usb-devices output
> v3 -> v4: Device table entry formatting aligned with existing pattern

Thanks for the update. Now applied.

Johan