CONFIG_HAS_IOPORT (not configurable)

modulename: ioport.ko

configname: CONFIG_HAS_IOPORT

Linux Kernel Configuration
└─>Library routines
└─>HAS_IOPORT
In linux kernel since version 2.6.21 (release Date: 2007-04-25)  
source code:
arch/sh/kernel/ioport.c