@davidrevoy in this page https://www.kernel.org/doc/html/latest/process/maintainers.html#maintainers you can scroll down (^F usb hid) and see that the maintainer of the hid drivers is mentioned in the commit you linked, so you'd want to email linux-usb@vger.kernel.org with CC jikos@kernel.org and just tell them about the problem, link them to the article and ask them to forward it if someone else should know