USB MaxLinear/Exar USB to Serial driver

modulename: xr_serial.ko

configname: CONFIG_USB_SERIAL_XR

Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>USB Serial Converter support
└─>USB MaxLinear/Exar USB to Serial driver
In linux kernel since version 5.2 (release Date: 2019-07-07)  
Say Y here if you want to use MaxLinear/Exar USB to Serial converter
devices.

To compile this driver as a module, choose M here: the
module will be called xr_serial.

source code: