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pci_find_slot
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
pci_find_slot - locate PCI device from a given PCI slotSYNOPSIS
- 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.
NOTE
Do not use this function any more; use pci_get_slot instead, as the PCI device returned by this function can disappear at any moment in time.
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