centos man page for pci_rescan_bus

PCI_RESCAN_BUS(9)						Hardware Interfaces						 PCI_RESCAN_BUS(9)

NAME
       pci_rescan_bus - scan a PCI bus for devices.

SYNOPSIS
       unsigned int __ref pci_rescan_bus(struct pci_bus * bus);

ARGUMENTS
       bus
	   PCI bus to scan

DESCRIPTION
       Scan a PCI bus and child buses for new devices, adds them, and enables them.

       Returns the max number of subordinate bus discovered.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							 PCI_RESCAN_BUS(9)