Provided by: kernel-doc-2.4.27_2.4.27-12_all bug


       pci_find_capability -  query for devices’ capabilities


       int pci_find_capability (struct pci_dev *dev, int cap);


       dev          PCI device to query

       cap          capability code


       Tell  if a device supports a given PCI capability.  Returns the address
       of  the  requested  capability  structure  within  the   device’s   PCI
       configuration  space  or  0  in  case  the  device does not support it.
       Possible values for cap:

       PCI_CAP_ID_PM           Power Management

       PCI_CAP_ID_AGP          Accelerated Graphics Port

       PCI_CAP_ID_VPD          Vital Product Data

       PCI_CAP_ID_SLOTID       Slot Identification

       PCI_CAP_ID_MSI          Message Signalled Interrupts

       PCI_CAP_ID_CHSWP        CompactPCI HotSwap

       PCI_CAP_ID_PCIX         PCI-X