This is a note to let you know that I've just added the patch titled
USB: NO_LPM quirk Lenovo USB-C to Ethernet Adapher(RTL8153-04)
to the 5.15-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-no_lpm-quirk-lenovo-usb-c-to-ethernet-adapher-rtl8153-04.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 0ad3bd562bb91853b9f42bda145b5db6255aee90 Mon Sep 17 00:00:00 2001
From: Jimmy Wang <wangjm221@xxxxxxxxx>
Date: Tue, 14 Dec 2021 09:26:50 +0800
Subject: USB: NO_LPM quirk Lenovo USB-C to Ethernet Adapher(RTL8153-04)
From: Jimmy Wang <wangjm221@xxxxxxxxx>
commit 0ad3bd562bb91853b9f42bda145b5db6255aee90 upstream.
This device doesn't work well with LPM, losing connectivity intermittently.
Disable LPM to resolve the issue.
Reviewed-by: <markpearson@xxxxxxxxxx>
Signed-off-by: Jimmy Wang <wangjm221@xxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20211214012652.4898-1-wangjm221@xxxxxxxxx
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
@@ -434,6 +434,9 @@ static const struct usb_device_id usb_qu
{ 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 },
Patches currently in stable-queue which might be from wangjm221@xxxxxxxxx are
queue-5.15/usb-no_lpm-quirk-lenovo-usb-c-to-ethernet-adapher-rtl8153-04.patch
