From: Johan Hovold <johan@kernel.org>
To: zwq2226404116@163.com
Cc: gregkh@linuxfoundation.org, linux-usb@vger.kernel.org,
linux-kernel@vger.kernel.org,
Wanquan Zhong <wanquan.zhong@fibocom.com>,
stable@vger.kernel.org
Subject: Re: [PATCH v5 1/1] USB: serial: option: add missing RSVD(5) flag for Rolling RW135R-GL
Date: Thu, 21 May 2026 09:58:24 +0200 [thread overview]
Message-ID: <ag67IE23NlLi6wcT@hovoldconsulting.com> (raw)
In-Reply-To: <20260520113246.305594-1-zwq2226404116@163.com>
On Wed, May 20, 2026 at 07:32:45PM +0800, zwq2226404116@163.com wrote:
> From: Wanquan Zhong <wanquan.zhong@fibocom.com>
>
> 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@fibocom.com>
> Cc: stable@vger.kernel.org
> ---
> 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
prev parent reply other threads:[~2026-05-21 7:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-20 11:32 zwq2226404116
2026-05-21 7:58 ` Johan Hovold [this message]
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