On Fri, Dec 04, 2020 at 01:07:24AM +0300, Ensar Karabudak wrote: > Hi, > I have mentioned it here before: > https://github.com/raspberrypi/linux/issues/3964 > > I’ve run into an issue with the Quectel BG96 module. I do not have anything > on ttyUSB3 and 2. > It appears as though some changes in 5.4.66 have affected how USB2-USB3 is > treated? Thanks for the detailed report. Björn has already submitted a fix which will be backported to the stable trees soonish. You can find it here if you want to give it a try: https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial.git/commit/?h=usb-linus&id=c98fff7332dbd6e028969f8c2bda3d7bc7a024d8 Johan
