From: Jimmy Wang <wangjm221@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: wangjm23@lenovo.com, markpearson@lenovo.com,
Jimmy Wang <wangjm221@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Vincent Palatin <vpalatin@chromium.org>,
Ole Ernst <olebowle@gmx.com>,
Alan Stern <stern@rowland.harvard.edu>,
Chris Chiu <chris.chiu@canonical.com>,
Kai-Heng Feng <kai.heng.feng@canonical.com>,
Johan Hovold <johan@kernel.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] USB: NO_LPM quirk Lenovo USB-C to Ethernet Adapher(RTL8153-04)
Date: Tue, 14 Dec 2021 09:26:50 +0800 [thread overview]
Message-ID: <20211214012652.4898-1-wangjm221@gmail.com> (raw)
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>
---
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
reply other threads:[~2021-12-14 1:27 UTC|newest]
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