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Message-Id: <20211220143031.688525428@linuxfoundation.org>
Date: Mon, 20 Dec 2021 15:34:41 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, markpearson@...ovo.com,
Jimmy Wang <wangjm221@...il.com>
Subject: [PATCH 5.10 68/99] USB: NO_LPM quirk Lenovo USB-C to Ethernet Adapher(RTL8153-04)
From: Jimmy Wang <wangjm221@...il.com>
commit 0ad3bd562bb91853b9f42bda145b5db6255aee90 upstream.
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>
Cc: stable <stable@...r.kernel.org>
Link: https://lore.kernel.org/r/20211214012652.4898-1-wangjm221@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/usb/core/quirks.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -435,6 +435,9 @@ 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 },
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