Name
pci_find_next_ext_capability —
Find an extended capability
Synopsis
int pci_find_next_ext_capability ( | struct pci_dev * dev, |
| | int start, |
| | int cap); |
Arguments
dev
PCI device to query
start
address at which to start looking (0 to start at beginning of list)
cap
capability code
Description
Returns the address of the next matching extended capability structure
within the device's PCI configuration space or 0 if the device does
not support it. Some capabilities can occur several times, e.g., the
vendor-specific capability, and this provides a way to find them all.