From d7731a622096957374502ecf8673c11ebe911044 Mon Sep 17 00:00:00 2001 From: Jimmy Wang Date: Tue, 14 Dec 2021 09:26:50 +0800 Subject: [PATCH] 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: Signed-off-by: Jimmy Wang Cc: stable Link: https://lore.kernel.org/r/20211214012652.4898-1-wangjm221@gmail.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Kamal Mostafa Signed-off-by: Stefan Bader --- 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 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 }, -- 2.39.5