Sorry, I should more explicitly have said that neither "usbcore.autosuspend=0", "usbcore.autosuspend=-1" nor "usbcore.autosuspend_delay=-1" worked.
Sorry, I should more explicitly have said that neither "usbcore. autosuspend= 0", "usbcore. autosuspend= -1" nor "usbcore. autosuspend_ delay=- 1" worked.