Number of ARC UART ports
configname: CONFIG_SERIAL_ARC_NR_PORTS
Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>Serial drivers
└─>Number of ARC UART ports
In linux kernel since version 3.1 (release Date: 2011-10-24)
Set this to the number of serial ports you want the driver
to support.
to support.