pci_create_legacy_files(9) centos man page | unix.com

PCI_CREATE_LEGACY_FI(9) 					Hardware Interfaces					   PCI_CREATE_LEGACY_FI(9)

NAME
       pci_create_legacy_files - create legacy I/O port and memory files

SYNOPSIS
       void pci_create_legacy_files(struct pci_bus * b);

ARGUMENTS
       b
	   bus to create files under

DESCRIPTION
       Some platforms allow access to legacy I/O port and ISA memory space on a per-bus basis. This routine creates the files and ties them into
       their associated read, write and mmap files from pci-sysfs.c

       On error unwind, but don't propagate the error to the caller as it is ok to set up the PCI bus without these files.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   PCI_CREATE_LEGACY_FI(9)