From: Jimmy Wang <wangjm221@xxxxxxxxx> commit 0ad3bd562bb91853b9f42bda145b5db6255aee90 upstream. This device doesn't work well with LPM, losing connectivity intermittently. Disable LPM to resolve the issue. Reviewed-by: <markpearson@xxxxxxxxxx> Signed-off-by: Jimmy Wang <wangjm221@xxxxxxxxx> Cc: stable <stable@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20211214012652.4898-1-wangjm221@xxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/core/quirks.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -434,6 +434,9 @@ 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 },
