On Sun, Mar 06, 2022 at 05:52:58PM +0100, Matyáš Kroupa wrote: > Hi, > > I recently bought a serial console adapter with PL2303. After a quick > search I discovered that there have been problems with different > versions of this chip so I include some info about mine. Thanks for the report and for including all the necessary details. > dmesg: > > [172076.820388] usb 3-2.2: new full-speed USB device number 11 using > xhci_hcd > [172076.960358] usb 3-2.2: New USB device found, idVendor=067b, > idProduct=23f3, bcdDevice= 6.05 Based on the (default) product id this should be a PL2303GS. Are you able to confirm that by looking at markings on the chip too? Either way, I just posted a patch that adds this bcdDevice to the driver. Johan