pci_find_parent_resource(9) centos man page | unix.com

PCI_FIND_PARENT_RESO(9) 					Hardware Interfaces					   PCI_FIND_PARENT_RESO(9)

NAME
       pci_find_parent_resource - return resource region of parent bus of given region

SYNOPSIS
       struct resource * pci_find_parent_resource(const struct pci_dev * dev, struct resource * res);

ARGUMENTS
       dev
	   PCI device structure contains resources to be searched

       res
	   child resource record for which parent is sought

DESCRIPTION
       For given resource region of given device, return the resource region of parent bus the given region is contained in or where it should be
       allocated from.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   PCI_FIND_PARENT_RESO(9)