pci_find_ht_capability — query a device's Hypertransport capabilities
|struct pci_dev * dev,|
Tell if a device supports a given Hypertransport capability.
Returns an address within the device's PCI configuration space
or 0 in case the device does not support the request capability.
The address points to the PCI capability, of type PCI_CAP_ID_HT,
which has a Hypertransport capability matching