From: Jimmy Wang <wangjm221@gmail.com>
Date: Tue, 14 Dec 2021 01:26:50 +0000 (+0800)
Subject: USB: NO_LPM quirk Lenovo USB-C to Ethernet Adapher(RTL8153-04)
X-Git-Tag: Ubuntu-5.4.0-105.119~533
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=d7731a622096957374502ecf8673c11ebe911044;p=mirror_ubuntu-focal-kernel.git

USB: NO_LPM quirk Lenovo USB-C to Ethernet Adapher(RTL8153-04)

BugLink: https://bugs.launchpad.net/bugs/1957991

commit 0ad3bd562bb91853b9f42bda145b5db6255aee90 upstream.

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

Reviewed-by: <markpearson@lenovo.com>
Signed-off-by: Jimmy Wang <wangjm221@gmail.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211214012652.4898-1-wangjm221@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
---

diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index e170c5b4d6f0..a118c44c70e1 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -435,6 +435,9 @@ 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 },