Name
pci_cfg_access_trylock — 
     try to lock PCI config reads/writes
 
Synopsis
| bool pci_cfg_access_trylock ( | struct pci_dev * dev ); | 
 
Description
   Same as pci_cfg_access_lock, but will return 0 if access is
   already locked, 1 otherwise. This function can be used from
   atomic contexts.