Name
pci_find_slot -- locate PCI device from a given PCI slot
Synopsis
struct pci_dev * pci_find_slot
(unsigned int bus, unsigned int devfn);
Arguments
- bus
number of PCI bus on which desired PCI device resides
- devfn
encodes number of PCI slot in which the desired PCI
device resides and the logical device number within that slot
in case of multi-function devices.
Description
Given a PCI bus and slot/function number, the desired PCI device
is located in system global list of PCI devices. If the device
is found, a pointer to its data structure is returned. If no
device is found, NULL is returned.