pci_release_selected_regions(9) centos man page | unix.com

PCI_RELEASE_SELECTED(9) 					Hardware Interfaces					   PCI_RELEASE_SELECTED(9)

NAME
       pci_release_selected_regions - Release selected PCI I/O and memory resources

SYNOPSIS
       void pci_release_selected_regions(struct pci_dev * pdev, int bars);

ARGUMENTS
       pdev
	   PCI device whose resources were previously reserved

       bars
	   Bitmask of BARs to be released

DESCRIPTION
       Release selected PCI I/O and memory resources previously reserved. Call this function only after all use of the PCI regions has ceased.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   PCI_RELEASE_SELECTED(9)