From nobody Fri Jun 12 18:57:47 2026 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C33723AA1A8; Wed, 13 May 2026 07:21:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.5 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778656891; cv=none; b=afSuJksioiSKAOPVCtx6U9JYhOpan1nuuqS0vRj6aMJLfB8Tux1TH6+HLiTDnFCcuO4cQjqF/Sqzbf2PZEy7ieC6ExHzg6UUzOTjl6s8ocm0lbDobBdZGGmJSR3zb2kdk0C0cIgU+qtSyrstvPVSoTHcvc/V6gXME1SCh+Y8Dcc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778656891; c=relaxed/simple; bh=7VwUSmB+AA49bviSEp9f5sFDDLJ61LTUCnfWPu5R7L0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=SS99AZwaD6mMcGNX7uUctms9jV+SQm8mW58idKd88WTLsJFjQ7InXgNXdebkjl741lGARq9/KUadXbZ3QWmVj/HhgG4TzaKfee5R36SGyvK7RruUhF0hFp9EInTt01uS13pBQo5xQant9gJGDu4WGPxDmy/1BungmaSzZ6ap4Fo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=hPvKjs/X; arc=none smtp.client-ip=220.197.31.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="hPvKjs/X" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=6f xVvdmEOqU7RCN1i1l4tcMr9JSD9f0W5y4aKvRNp3g=; b=hPvKjs/XsEm9tKuP8W JiySn3j1OVmbs1FyDSZo2Uh7oPnhsW0ku57YV+yUxZn9ndkIRmI0ofZfOil5xB18 F8zOy4QKY3f4oeMFbWaKKa+t966suMFRzPAsJQERYacUsGhe14gWubi0uaG1MIlJ WL0i8vGCm2QHgUI5yMDafum2w= Received: from GHT-5854251031.localdomain (unknown []) by gzga-smtp-mtada-g0-2 (Coremail) with SMTP id _____wA3NfBGJgRqjUZgBA--.13744S2; Wed, 13 May 2026 15:20:39 +0800 (CST) From: zwq2226404116@163.com To: johan@kernel.org, gregkh@linuxfoundation.org Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, zwq2226404116@163.com, Wanquan Zhong Subject: [PATCH] [PATCH v3] USB: serial: option: add missing RSVD(5) flag for Rolling RW135R-GL Date: Wed, 13 May 2026 15:20:34 +0800 Message-ID: <20260513072035.433068-1-zwq2226404116@163.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: _____wA3NfBGJgRqjUZgBA--.13744S2 X-Coremail-Antispam: 1Uf129KBjvJXoW3Jw4xuFWfCw45Ar4ktF4fKrg_yoW7ur4rpF 4rJaySvrykXFy0qFnxCr1fZFWFgas29r17A3ZrZw4SqFZayrs7Kr1UArySgFnF9r4Fkr4q qayDK3y8Ka4kJFJanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x0pRS1v7UUUUU= X-CM-SenderInfo: h2ztjjaswuikqrrwqiywtou0bp/xtbC0Qc2jWoEJkcJ7QAA3G Content-Type: text/plain; charset="utf-8" From: Wanquan Zhong The RW135R-GL MBIM interface entry added in commit before was missing the .driver_info =3D RSVD(5) flag. Without this flag, the option driver binds to the MBIM interface and conflicts with the cdc_mbim driver, causing AT/MBIM communication failures after switching to 43 mode. 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 in different mode: T: Bus=3D03 Lev=3D01 Prnt=3D01 Port=3D04 Cnt=3D02 Dev#=3D 8 Spd=3D480 Mx= Ch=3D 0 D: Ver=3D 2.00 Cls=3D00(>ifc ) Sub=3D00 Prot=3D00 MxPS=3D64 #Cfgs=3D 1 P: Vendor=3D33f8 ProdID=3D1003 Rev=3D 5.15 S: Manufacturer=3DRolling Wireless S.a.r.l. S: Product=3DRolling RW135R-GL Module S: SerialNumber=3D12345678 C:* #Ifs=3D 5 Cfg#=3D 1 Atr=3Da0 MxPwr=3D500mA A: FirstIf#=3D 0 IfCount=3D 2 Cls=3D02(comm.) Sub=3D0e Prot=3D00 I:* If#=3D 0 Alt=3D 0 #EPs=3D 1 Cls=3D02(comm.) Sub=3D0e Prot=3D00 Driver= =3Dcdc_mbim E: Ad=3D82(I) Atr=3D03(Int.) MxPS=3D 64 Ivl=3D32ms I: If#=3D 1 Alt=3D 0 #EPs=3D 0 Cls=3D0a(data ) Sub=3D00 Prot=3D02 Driver= =3Dcdc_mbim I:* If#=3D 1 Alt=3D 1 #EPs=3D 2 Cls=3D0a(data ) Sub=3D00 Prot=3D02 Driver= =3Dcdc_mbim E: Ad=3D81(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D01(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms I:* If#=3D 2 Alt=3D 0 #EPs=3D 2 Cls=3Dff(vend.) Sub=3D00 Prot=3D00 Driver= =3Doption E: Ad=3D83(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D02(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms I:* If#=3D 3 Alt=3D 0 #EPs=3D 2 Cls=3Dff(vend.) Sub=3Dff Prot=3D30 Driver= =3Doption E: Ad=3D03(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D84(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms I:* If#=3D 4 Alt=3D 0 #EPs=3D 3 Cls=3Dff(vend.) Sub=3Dff Prot=3D40 Driver= =3Doption E: Ad=3D86(I) Atr=3D03(Int.) MxPS=3D 10 Ivl=3D32ms E: Ad=3D85(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D04(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms - 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=3D03 Lev=3D01 Prnt=3D01 Port=3D04 Cnt=3D02 Dev#=3D 7 Spd=3D480 Mx= Ch=3D 0 D: Ver=3D 2.00 Cls=3D00(>ifc ) Sub=3D00 Prot=3D00 MxPS=3D64 #Cfgs=3D 1 P: Vendor=3D33f8 ProdID=3D1003 Rev=3D 5.15 S: Manufacturer=3DRolling Wireless S.a.r.l. S: Product=3DRolling RW135R-GL Module S: SerialNumber=3D12345678 C:* #Ifs=3D 6 Cfg#=3D 1 Atr=3Da0 MxPwr=3D500mA A: FirstIf#=3D 0 IfCount=3D 2 Cls=3D02(comm.) Sub=3D0e Prot=3D00 I:* If#=3D 0 Alt=3D 0 #EPs=3D 1 Cls=3D02(comm.) Sub=3D0e Prot=3D00 Driver= =3Dcdc_mbim E: Ad=3D82(I) Atr=3D03(Int.) MxPS=3D 64 Ivl=3D32ms I: If#=3D 1 Alt=3D 0 #EPs=3D 0 Cls=3D0a(data ) Sub=3D00 Prot=3D02 Driver= =3Dcdc_mbim I:* If#=3D 1 Alt=3D 1 #EPs=3D 2 Cls=3D0a(data ) Sub=3D00 Prot=3D02 Driver= =3Dcdc_mbim E: Ad=3D81(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D01(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms I:* If#=3D 2 Alt=3D 0 #EPs=3D 2 Cls=3Dff(vend.) Sub=3D00 Prot=3D00 Driver= =3Doption E: Ad=3D83(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D02(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms: I:* If#=3D 3 Alt=3D 0 #EPs=3D 2 Cls=3Dff(vend.) Sub=3Dff Prot=3D30 Driver= =3Doption E: Ad=3D03(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D84(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms I:* If#=3D 4 Alt=3D 0 #EPs=3D 3 Cls=3Dff(vend.) Sub=3Dff Prot=3D40 Driver= =3Doption E: Ad=3D86(I) Atr=3D03(Int.) MxPS=3D 10 Ivl=3D32ms E: Ad=3D85(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D04(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms I:* If#=3D 5 Alt=3D 0 #EPs=3D 2 Cls=3Dff(vend.) Sub=3D42 Prot=3D01 Driver= =3D(none) E: Ad=3D05(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D87(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms - 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=3D03 Lev=3D01 Prnt=3D01 Port=3D04 Cnt=3D02 Dev#=3D 9 Spd=3D480 Mx= Ch=3D 0 D: Ver=3D 2.00 Cls=3D00(>ifc ) Sub=3D00 Prot=3D00 MxPS=3D64 #Cfgs=3D 1 P: Vendor=3D33f8 ProdID=3D1003 Rev=3D 5.15 S: Manufacturer=3DRolling Wireless S.a.r.l. S: Product=3DRolling RW135R-GL Module S: SerialNumber=3D12345678 C:* #Ifs=3D 3 Cfg#=3D 1 Atr=3Da0 MxPwr=3D500mA A: FirstIf#=3D 0 IfCount=3D 2 Cls=3D02(comm.) Sub=3D0e Prot=3D00 I:* If#=3D 0 Alt=3D 0 #EPs=3D 1 Cls=3D02(comm.) Sub=3D0e Prot=3D00 Driver= =3Dcdc_mbim E: Ad=3D82(I) Atr=3D03(Int.) MxPS=3D 64 Ivl=3D32ms I: If#=3D 1 Alt=3D 0 #EPs=3D 0 Cls=3D0a(data ) Sub=3D00 Prot=3D02 Driver= =3Dcdc_mbim I:* If#=3D 1 Alt=3D 1 #EPs=3D 2 Cls=3D0a(data ) Sub=3D00 Prot=3D02 Driver= =3Dcdc_mbim E: Ad=3D81(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D01(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms I:* If#=3D 2 Alt=3D 0 #EPs=3D 2 Cls=3Dff(vend.) Sub=3D00 Prot=3D00 Driver= =3Doption E: Ad=3D83(I) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms E: Ad=3D02(O) Atr=3D02(Bulk) MxPS=3D 512 Ivl=3D0ms Fixes: 01e8d0f74222 ("usb: serial: add support for Rolling Wireless RW135R-= GL (33f8:1003)") Signed-off-by: Wanquan Zhong --- drivers/usb/serial/option.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index c71461893d20..dfec7467b36c 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -2466,7 +2466,8 @@ static const struct usb_device_id option_ids[] =3D { { 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 =3D RSVD(5) }, - { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x1003, 0xff) }, /* Rolling RW135R= -GL (laptop MBIM) */ + { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x1003, 0xff), /* Rolling RW135R-G= L (laptop MBIM) */ + .driver_info =3D RSVD(5) }, { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0100, 0xff, 0xff, 0x30) }, /* N= etPrisma LCUK54-WWD for Global */ { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0100, 0xff, 0x00, 0x40) }, { USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0100, 0xff, 0xff, 0x40) }, --=20 2.43.0