From: Kai-Heng Feng <kai.heng.feng@canonical.com>
To: gregkh@linuxfoundation.org
Cc: "Kai-Heng Feng" <kai.heng.feng@canonical.com>,
"Alan Stern" <stern@rowland.harvard.edu>,
penghao <penghao@uniontech.com>,
"Oliver Neukum" <oneukum@suse.com>,
"Johan Hovold" <johan@kernel.org>,
"Kars Mulder" <kerneldev@karsmulder.nl>,
"Tomasz Meresiński" <tomasz@meresinski.eu>,
linux-usb@vger.kernel.org (open list:USB SUBSYSTEM),
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v3] USB: Add LPM quirk for Lenovo ThinkPad USB-C Dock Gen2 Ethernet
Date: Mon, 12 Apr 2021 21:54:53 +0800 [thread overview]
Message-ID: <20210412135455.791971-1-kai.heng.feng@canonical.com> (raw)
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.
BugLink: https://bugs.launchpad.net/bugs/1922651
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
v3:
- _Really_ put the quirk in the right order.
v2:
- Put the quirk in the right order.
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 76ac5d6555ae..6114cf83bb44 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -438,6 +438,9 @@ static const struct usb_device_id usb_quirk_list[] = {
{ 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 },
--
2.30.2
reply other threads:[~2021-04-12 13:55 UTC|newest]
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