/dev/port character device
configname: CONFIG_DEVPORT
Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>PCI support
└─>/dev/port character device
In linux kernel since version 2.6.24 (release Date: 2008-01-24)
Say Y here if you want to support the /dev/port device. The /dev/port
device is similar to /dev/mem, but for I/O ports.
device is similar to /dev/mem, but for I/O ports.