From: <gregkh@linuxfoundation.org>
To: wangjm221@gmail.com, gregkh@linuxfoundation.org,
markpearson@lenovo.com, stable@vger.kernel.org
Subject: patch "USB: NO_LPM quirk Lenovo USB-C to Ethernet Adapher(RTL8153-04)" added to usb-linus
Date: Wed, 15 Dec 2021 23:42:43 +0100 [thread overview]
Message-ID: <1639608163180111@kroah.com> (raw)
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 my usb git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
in the usb-linus branch.
The patch will show up in the next release of the linux-next tree
(usually sometime within the next 24 hours during the week.)
The patch will hopefully also be merged in Linus's tree for the
next -rc kernel release.
If you have any questions about this process, please let me know.
From 0ad3bd562bb91853b9f42bda145b5db6255aee90 Mon Sep 17 00:00:00 2001
From: Jimmy Wang <wangjm221@gmail.com>
Date: Tue, 14 Dec 2021 09:26:50 +0800
Subject: USB: NO_LPM quirk Lenovo USB-C to Ethernet Adapher(RTL8153-04)
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>
---
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 },
--
2.34.1
reply other threads:[~2021-12-15 22:42 UTC|newest]
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