8250/16550 Exar/Commtech PCI/PCIe device support

modulename: 8250_exar.ko

configname: CONFIG_SERIAL_8250_EXAR

Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>8250/16550 Exar/Commtech PCI/PCIe device support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This builds support for XR17C1xx, XR17V3xx and some Commtech
422x PCIe serial cards that are not covered by the more generic
SERIAL_8250_PCI option.

source code: