On Wed, Jul 07, 2021 at 03:33:52AM -0400, Jeffrey Walton wrote: > Hi Everyone, > > I'm trying to track down the cause of some garbage in a response when > using an ELM327 (https://www.elmelectronics.com/ic/elm327/) with a > CH341 serial controller. > > I see there's been a fair amount of activity with the CH341 > (https://github.com/torvalds/linux/commits/master/drivers/usb/serial/ch341.c), > but I can't tell if its been backported to the 5.4 kernel. > Specifically, the 5.4.0-77 kernel supplied with Ubuntu 18.04 and Mint > 20.1. Who knows what has been backported to random vendor kernels like this :) Look at the source and see! > 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? 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? thanks, greg k-h
