Provided by:
kernel-doc-2.4.27_2.4.27-12_all 
NAME
pci_find_device - begin or continue searching for a PCI device by
vendor/device id
SYNOPSIS
struct pci_dev * pci_find_device (unsigned int vendor, unsigned int
device, const struct pci_dev *from);
ARGUMENTS
vendor PCI vendor id to match, or PCI_ANY_ID to match all vendor
ids
device PCI device id to match, or PCI_ANY_ID to match all device
ids
from Previous PCI device found in search, or NULL for new
search.
DESCRIPTION
Iterates through the list of known PCI devices. If a PCI device is
found with a matching vendor and device, a pointer to its device
structure is returned. Otherwise, NULL is returned. A new search is
initiated by passing NULL to the from argument. Otherwise if from is
not NULL, searches continue from next device on the global list.