> > Does anyone know if the fixes and improvements for the CH341 have made > > their way into the 5.4 kernel? > > What specific commit are you looking for? Well, I'm not really looking for a specific commit. I'm just trying to verify the various fixes are present in the kernel. > And if you want to use this device, why not use a much more modern > kernel release? 5.4 is quite old for new hardware to be using, does > 5.13 work properly for you? My bad, I thought 5.4 was a LTS kernel. The docs I read said it was released November 2019 and supported until 2026. I'll try something newer. It looks like these are available: 5.4.0, 5.6.0, 5.8.0, 5.10.0, 5.11.0 Jeff