This is a note to let you know that I've just added the patch titled
USB: Add LPM quirk for Lenovo ThinkPad USB-C Dock Gen2 Ethernet
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-add-lpm-quirk-for-lenovo-thinkpad-usb-c-dock-gen2-ethernet.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8f23fe35ff1e5491b4d279323a8209a31f03ae65 Mon Sep 17 00:00:00 2001
From: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
Date: Mon, 12 Apr 2021 21:54:53 +0800
Subject: USB: Add LPM quirk for Lenovo ThinkPad USB-C Dock Gen2 Ethernet
From: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
commit 8f23fe35ff1e5491b4d279323a8209a31f03ae65 upstream.
This is another branded 8153 device that doesn't work well with LPM
enabled:
[ 400.597506] r8152 5-1.1:1.0 enx482ae3a2a6f0: Tx status -71
So disable LPM to resolve the issue.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
BugLink: https://bugs.launchpad.net/bugs/1922651
Link: https://lore.kernel.org/r/20210412135455.791971-1-kai.heng.feng@xxxxxxxxxxxxx
Cc: stable <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/core/quirks.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -438,6 +438,9 @@ static const struct usb_device_id usb_qu
{ USB_DEVICE(0x17ef, 0xa012), .driver_info =
USB_QUIRK_DISCONNECT_SUSPEND },
+ /* Lenovo ThinkPad USB-C Dock Gen2 Ethernet (RTL8153 GigE) */
+ { USB_DEVICE(0x17ef, 0xa387), .driver_info = USB_QUIRK_NO_LPM },
+
/* BUILDWIN Photo Frame */
{ USB_DEVICE(0x1908, 0x1315), .driver_info =
USB_QUIRK_HONOR_BNUMINTERFACES },
Patches currently in stable-queue which might be from kai.heng.feng@xxxxxxxxxxxxx are
queue-5.4/usb-add-lpm-quirk-for-lenovo-thinkpad-usb-c-dock-gen2-ethernet.patch
