| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 45/71] USB: NO_LPM quirk Lenovo USB-C to Ethernet Adapher(RTL8153-04) | Date | Mon, 20 Dec 2021 15:34:34 +0100 |
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From: Jimmy Wang <wangjm221@gmail.com>
commit 0ad3bd562bb91853b9f42bda145b5db6255aee90 upstream.
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(+)
--- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -435,6 +435,9 @@ 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 },
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