linux-kernel - [PATCH] USB: NO_LPM quirk Lenovo USB-C to Ethernet Adapher(RTL8153-04)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20211214012652.4898-1-wangjm221@gmail.com>
Date:   Tue, 14 Dec 2021 09:26:50 +0800
From:   Jimmy Wang <wangjm221@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     wangjm23@...ovo.com, markpearson@...ovo.com,
        Jimmy Wang <wangjm221@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Vincent Palatin <vpalatin@...omium.org>,
        Ole Ernst <olebowle@....com>,
        Alan Stern <stern@...land.harvard.edu>,
        Chris Chiu <chris.chiu@...onical.com>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Johan Hovold <johan@...nel.org>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] USB: NO_LPM quirk Lenovo USB-C to Ethernet Adapher(RTL8153-04)

This device doesn't work well with LPM, losing connectivity intermittently.
Disable LPM to resolve the issue.

Reviewed-by: <markpearson@...ovo.com>
Signed-off-by: Jimmy Wang <wangjm221@...il.com>
---
 drivers/usb/core/quirks.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 019351c0b52c..d3c14b5ed4a1 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -434,6 +434,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x1532, 0x0116), .driver_info =
 			USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
 
+	/* Lenovo USB-C to Ethernet Adapter RTL8153-04 */
+	{ USB_DEVICE(0x17ef, 0x720c), .driver_info = USB_QUIRK_NO_LPM },
+
 	/* Lenovo Powered USB-C Travel Hub (4X90S92381, RTL8153 GigE) */
 	{ USB_DEVICE(0x17ef, 0x721e), .driver_info = USB_QUIRK_NO_LPM },
 
-- 
2.33.1