This is a note to let you know that I've just added the patch titled USB: cdc-acm: Fill in Renesas R-Car D3 USB Download mode quirk to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-cdc-acm-fill-in-renesas-r-car-d3-usb-download-mode-quirk.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it.