pci_find_device — begin or continue searching for a PCI device by vendor/device id
struct pci_dev * pci_find_device ( | unsigned int | vendor, |
unsigned int | device, | |
const struct pci_dev * | from) ; |
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.
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
as the from
argument.
Otherwise if from
is not NULL
, searches continue from next device
on the global list.